



What is the fourth proportional?
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tỉ số và tỷ lệ 2in1
- Solve 10 liters = ? gallons (1 gallon ≈ 3.785 liters).
- How are unit rates related to ratios and proportions?
- The role of ratios in early measurement systems.
- How are ratios and proportions applied in economics? (e.g., supply and demand).
- How can proportions be used to solve real-world problems?
- Identify the knowns and unknowns.
- How can you determine if two ratios are equivalent?
- If the ratio of blue to red marbles is 5 7, and there are 35 blue marbles, how many red marbles are there?
- What is the third proportional?
- What is the relationship between the angles of similar figures?
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