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Finding the Fourth Proportional to 61,657.52, 92,489.47 and 19,542.08

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Solution

The fourth proportional to 61,657.52, 92,489.47 and 19,542.08 is: 29,314.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,657.52 : 92,489.47 = 19,542.08 : x
  2. Step 2: Convert to fraction form
    61,657.52/92,489.47 = 19,542.08/x
  3. Step 3: Cross multiply
    61,657.52x = 92,489.47 × 19,542.08
  4. Step 4: Simplify right side
    61,657.52x = 1,807,436,439.53
  5. Step 5: Solve for x
    x = 1,807,436,439.53/61,657.52
  6. Step 6: Final answer
    x = 29,314.13

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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.