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Finding the Fourth Proportional to 62,644.32, 93,961.44 and 38,957.76

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Solution

The fourth proportional to 62,644.32, 93,961.44 and 38,957.76 is: 58,433.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,644.32 : 93,961.44 = 38,957.76 : x
  2. Step 2: Convert to fraction form
    62,644.32/93,961.44 = 38,957.76/x
  3. Step 3: Cross multiply
    62,644.32x = 93,961.44 × 38,957.76
  4. Step 4: Simplify right side
    62,644.32x = 3,660,527,228.77
  5. Step 5: Solve for x
    x = 3,660,527,228.77/62,644.32
  6. Step 6: Final answer
    x = 58,433.51

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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.