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Finding the Fourth Proportional to 29,939.73, 44,909.30 and 11,471.73

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Solution

The fourth proportional to 29,939.73, 44,909.30 and 11,471.73 is: 17,207.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,939.73 : 44,909.30 = 11,471.73 : x
  2. Step 2: Convert to fraction form
    29,939.73/44,909.30 = 11,471.73/x
  3. Step 3: Cross multiply
    29,939.73x = 44,909.30 × 11,471.73
  4. Step 4: Simplify right side
    29,939.73x = 515,187,306.73
  5. Step 5: Solve for x
    x = 515,187,306.73/29,939.73
  6. Step 6: Final answer
    x = 17,207.48

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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.