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Finding the Fourth Proportional to 38,481.06, 57,724.02 and 16,291.52

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Solution

The fourth proportional to 38,481.06, 57,724.02 and 16,291.52 is: 24,438.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,481.06 : 57,724.02 = 16,291.52 : x
  2. Step 2: Convert to fraction form
    38,481.06/57,724.02 = 16,291.52/x
  3. Step 3: Cross multiply
    38,481.06x = 57,724.02 × 16,291.52
  4. Step 4: Simplify right side
    38,481.06x = 940,412,026.31
  5. Step 5: Solve for x
    x = 940,412,026.31/38,481.06
  6. Step 6: Final answer
    x = 24,438.31

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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.