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Finding the Fourth Proportional to 38,992.92, 58,500.72 and 14,032.52

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Solution

The fourth proportional to 38,992.92, 58,500.72 and 14,032.52 is: 21,052.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,992.92 : 58,500.72 = 14,032.52 : x
  2. Step 2: Convert to fraction form
    38,992.92/58,500.72 = 14,032.52/x
  3. Step 3: Cross multiply
    38,992.92x = 58,500.72 × 14,032.52
  4. Step 4: Simplify right side
    38,992.92x = 820,912,523.41
  5. Step 5: Solve for x
    x = 820,912,523.41/38,992.92
  6. Step 6: Final answer
    x = 21,052.86

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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.