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Finding the Fourth Proportional to 15,949.20, 22,008.97 and 9,234.35

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Solution

The fourth proportional to 15,949.20, 22,008.97 and 9,234.35 is: 12,742.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,949.20 : 22,008.97 = 9,234.35 : x
  2. Step 2: Convert to fraction form
    15,949.20/22,008.97 = 9,234.35/x
  3. Step 3: Cross multiply
    15,949.20x = 22,008.97 × 9,234.35
  4. Step 4: Simplify right side
    15,949.20x = 203,238,588.01
  5. Step 5: Solve for x
    x = 203,238,588.01/15,949.20
  6. Step 6: Final answer
    x = 12,742.87

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