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Finding the Fourth Proportional to 15,272.61, 22,906.72 and 5,917.11

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Solution

The fourth proportional to 15,272.61, 22,906.72 and 5,917.11 is: 8,874.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,272.61 : 22,906.72 = 5,917.11 : x
  2. Step 2: Convert to fraction form
    15,272.61/22,906.72 = 5,917.11/x
  3. Step 3: Cross multiply
    15,272.61x = 22,906.72 × 5,917.11
  4. Step 4: Simplify right side
    15,272.61x = 135,541,581.98
  5. Step 5: Solve for x
    x = 135,541,581.98/15,272.61
  6. Step 6: Final answer
    x = 8,874.81

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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.