Question

|- Show that 30,45,60 are in proportion.​

Answer 1

Answer:

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Answer 2

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Step-by-step explanation:

1. Let, a = 30, b = 40, c = 45, d = 60,
2. Then, Product of extremes = (30 × 60) = 1800
3. Product of means = (40 × 45) = 1800
4. ∴ Product of extremes = product of means
5. Hence, 30, 40, 45, 60 are in proportion.

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