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Finding the Fourth Proportional to 22,789.59, 34,125.87 and 15,759.90

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Solution

The fourth proportional to 22,789.59, 34,125.87 and 15,759.90 is: 23,599.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,789.59 : 34,125.87 = 15,759.90 : x
  2. Step 2: Convert to fraction form
    22,789.59/34,125.87 = 15,759.90/x
  3. Step 3: Cross multiply
    22,789.59x = 34,125.87 × 15,759.90
  4. Step 4: Simplify right side
    22,789.59x = 537,820,298.61
  5. Step 5: Solve for x
    x = 537,820,298.61/22,789.59
  6. Step 6: Final answer
    x = 23,599.38

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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.