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Finding the Fourth Proportional to 61,932.48, 85,454.30 and 37,717.22

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Solution

The fourth proportional to 61,932.48, 85,454.30 and 37,717.22 is: 52,042.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,932.48 : 85,454.30 = 37,717.22 : x
  2. Step 2: Convert to fraction form
    61,932.48/85,454.30 = 37,717.22/x
  3. Step 3: Cross multiply
    61,932.48x = 85,454.30 × 37,717.22
  4. Step 4: Simplify right side
    61,932.48x = 3,223,098,633.05
  5. Step 5: Solve for x
    x = 3,223,098,633.05/61,932.48
  6. Step 6: Final answer
    x = 52,042.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.