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Finding the Fourth Proportional to 61,488.74, 92,255.62 and 25,958.90

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Solution

The fourth proportional to 61,488.74, 92,255.62 and 25,958.90 is: 38,947.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,488.74 : 92,255.62 = 25,958.90 : x
  2. Step 2: Convert to fraction form
    61,488.74/92,255.62 = 25,958.90/x
  3. Step 3: Cross multiply
    61,488.74x = 92,255.62 × 25,958.90
  4. Step 4: Simplify right side
    61,488.74x = 2,394,854,414.02
  5. Step 5: Solve for x
    x = 2,394,854,414.02/61,488.74
  6. Step 6: Final answer
    x = 38,947.85

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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.