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Finding the Fourth Proportional to 32,438, 48,660.12 and 14,912.72

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Solution

The fourth proportional to 32,438, 48,660.12 and 14,912.72 is: 22,370.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,438 : 48,660.12 = 14,912.72 : x
  2. Step 2: Convert to fraction form
    32,438/48,660.12 = 14,912.72/x
  3. Step 3: Cross multiply
    32,438x = 48,660.12 × 14,912.72
  4. Step 4: Simplify right side
    32,438x = 725,654,744.73
  5. Step 5: Solve for x
    x = 725,654,744.73/32,438
  6. Step 6: Final answer
    x = 22,370.51

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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.