Finding the Fourth Proportional to 75,640.74, 113,473.43 and 22,338.11
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Solution
The fourth proportional to 75,640.74, 113,473.43 and 22,338.11 is: 33,510.80
Step by Step Solution
- Step 1: Write the proportion equation
75,640.74 : 113,473.43 = 22,338.11 : x - Step 2: Convert to fraction form
75,640.74/113,473.43 = 22,338.11/x - Step 3: Cross multiply
75,640.74x = 113,473.43 × 22,338.11 - Step 4: Simplify right side
75,640.74x = 2,534,781,849.73 - Step 5: Solve for x
x = 2,534,781,849.73/75,640.74 - Step 6: Final answer
x = 33,510.80
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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.