Question

Determine whether the following are in proportion or not .7, 21, 18,49​

Answer 1

$7 \times 49 = 21 \times 18$

$343≠378$

No they are not in proportion because the products of mean and extreme are not equal.

Answer 2

Answer:

7 x 49 = 21 × 18

343 # 378

No they are not in proportion because the products of mean and extreme are not equal.

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