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Finding the Fourth Proportional to 48,123.92, 72,153.03 and 25,637.96

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Solution

The fourth proportional to 48,123.92, 72,153.03 and 25,637.96 is: 38,439.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,123.92 : 72,153.03 = 25,637.96 : x
  2. Step 2: Convert to fraction form
    48,123.92/72,153.03 = 25,637.96/x
  3. Step 3: Cross multiply
    48,123.92x = 72,153.03 × 25,637.96
  4. Step 4: Simplify right side
    48,123.92x = 1,849,856,497.02
  5. Step 5: Solve for x
    x = 1,849,856,497.02/48,123.92
  6. Step 6: Final answer
    x = 38,439.44

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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.