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Finding the Fourth Proportional to 27,572.18, 38,029.22 and 17,491.92

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Solution

The fourth proportional to 27,572.18, 38,029.22 and 17,491.92 is: 24,125.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,572.18 : 38,029.22 = 17,491.92 : x
  2. Step 2: Convert to fraction form
    27,572.18/38,029.22 = 17,491.92/x
  3. Step 3: Cross multiply
    27,572.18x = 38,029.22 × 17,491.92
  4. Step 4: Simplify right side
    27,572.18x = 665,204,073.90
  5. Step 5: Solve for x
    x = 665,204,073.90/27,572.18
  6. Step 6: Final answer
    x = 24,125.92

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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.