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Finding the Fourth Proportional to 29,508.48, 40,721.17 and 16,079.82

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Solution

The fourth proportional to 29,508.48, 40,721.17 and 16,079.82 is: 22,189.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,508.48 : 40,721.17 = 16,079.82 : x
  2. Step 2: Convert to fraction form
    29,508.48/40,721.17 = 16,079.82/x
  3. Step 3: Cross multiply
    29,508.48x = 40,721.17 × 16,079.82
  4. Step 4: Simplify right side
    29,508.48x = 654,789,083.79
  5. Step 5: Solve for x
    x = 654,789,083.79/29,508.48
  6. Step 6: Final answer
    x = 22,189.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.