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Finding the Fourth Proportional to 61,807.68, 92,711.52 and 15,060.48

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Solution

The fourth proportional to 61,807.68, 92,711.52 and 15,060.48 is: 22,590.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,807.68 : 92,711.52 = 15,060.48 : x
  2. Step 2: Convert to fraction form
    61,807.68/92,711.52 = 15,060.48/x
  3. Step 3: Cross multiply
    61,807.68x = 92,711.52 × 15,060.48
  4. Step 4: Simplify right side
    61,807.68x = 1,396,279,992.73
  5. Step 5: Solve for x
    x = 1,396,279,992.73/61,807.68
  6. Step 6: Final answer
    x = 22,590.72

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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.