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Finding the Fourth Proportional to 61,132.56, 91,679.90 and 29,522.97

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Solution

The fourth proportional to 61,132.56, 91,679.90 and 29,522.97 is: 44,275.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,132.56 : 91,679.90 = 29,522.97 : x
  2. Step 2: Convert to fraction form
    61,132.56/91,679.90 = 29,522.97/x
  3. Step 3: Cross multiply
    61,132.56x = 91,679.90 × 29,522.97
  4. Step 4: Simplify right side
    61,132.56x = 2,706,662,789.69
  5. Step 5: Solve for x
    x = 2,706,662,789.69/61,132.56
  6. Step 6: Final answer
    x = 44,275.31

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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.