Finding the Fourth Proportional to 66,369.80, 99,553.42 and 16,450
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Solution
The fourth proportional to 66,369.80, 99,553.42 and 16,450 is: 24,674.68
Step by Step Solution
- Step 1: Write the proportion equation
66,369.80 : 99,553.42 = 16,450 : x - Step 2: Convert to fraction form
66,369.80/99,553.42 = 16,450/x - Step 3: Cross multiply
66,369.80x = 99,553.42 × 16,450 - Step 4: Simplify right side
66,369.80x = 1,637,653,759 - Step 5: Solve for x
x = 1,637,653,759/66,369.80 - Step 6: Final answer
x = 24,674.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.