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Finding the Fourth Proportional to 61,914.56, 92,781.04 and 38,469.92

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Solution

The fourth proportional to 61,914.56, 92,781.04 and 38,469.92 is: 57,648.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,914.56 : 92,781.04 = 38,469.92 : x
  2. Step 2: Convert to fraction form
    61,914.56/92,781.04 = 38,469.92/x
  3. Step 3: Cross multiply
    61,914.56x = 92,781.04 × 38,469.92
  4. Step 4: Simplify right side
    61,914.56x = 3,569,279,186.32
  5. Step 5: Solve for x
    x = 3,569,279,186.32/61,914.56
  6. Step 6: Final answer
    x = 57,648.46

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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.