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Are 30, 40, 45 and 60 in proportion?...

Are 30, 40, 45 and 60 in proportion?

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To determine if the numbers 30, 40, 45, and 60 are in proportion, we need to check if the ratios of the first two numbers (30 and 40) and the last two numbers (45 and 60) are equal. ### Step-by-Step Solution: 1. **Identify the Numbers**: We have four numbers: - a = 30 - b = 40 ...
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