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Finding the Fourth Proportional to 39,864.93, 59,825.03 and 25,789.92

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Solution

The fourth proportional to 39,864.93, 59,825.03 and 25,789.92 is: 38,702.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,864.93 : 59,825.03 = 25,789.92 : x
  2. Step 2: Convert to fraction form
    39,864.93/59,825.03 = 25,789.92/x
  3. Step 3: Cross multiply
    39,864.93x = 59,825.03 × 25,789.92
  4. Step 4: Simplify right side
    39,864.93x = 1,542,882,608.75
  5. Step 5: Solve for x
    x = 1,542,882,608.75/39,864.93
  6. Step 6: Final answer
    x = 38,702.75

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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.