Finding the Fourth Proportional to 74,006.24, 110,980.14 and 29,624.72
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Solution
The fourth proportional to 74,006.24, 110,980.14 and 29,624.72 is: 44,425.38
Step by Step Solution
- Step 1: Write the proportion equation
74,006.24 : 110,980.14 = 29,624.72 : x - Step 2: Convert to fraction form
74,006.24/110,980.14 = 29,624.72/x - Step 3: Cross multiply
74,006.24x = 110,980.14 × 29,624.72 - Step 4: Simplify right side
74,006.24x = 3,287,755,573.06 - Step 5: Solve for x
x = 3,287,755,573.06/74,006.24 - Step 6: Final answer
x = 44,425.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.