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Finding the Fourth Proportional to 60,712.44, 91,046.76 and 25,654.80

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Solution

The fourth proportional to 60,712.44, 91,046.76 and 25,654.80 is: 38,472.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,712.44 : 91,046.76 = 25,654.80 : x
  2. Step 2: Convert to fraction form
    60,712.44/91,046.76 = 25,654.80/x
  3. Step 3: Cross multiply
    60,712.44x = 91,046.76 × 25,654.80
  4. Step 4: Simplify right side
    60,712.44x = 2,335,786,418.45
  5. Step 5: Solve for x
    x = 2,335,786,418.45/60,712.44
  6. Step 6: Final answer
    x = 38,472.95

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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.