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Finding the Fourth Proportional to 22,610.72, 33,906.36 and 8,750

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Solution

The fourth proportional to 22,610.72, 33,906.36 and 8,750 is: 13,121.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,610.72 : 33,906.36 = 8,750 : x
  2. Step 2: Convert to fraction form
    22,610.72/33,906.36 = 8,750/x
  3. Step 3: Cross multiply
    22,610.72x = 33,906.36 × 8,750
  4. Step 4: Simplify right side
    22,610.72x = 296,680,650
  5. Step 5: Solve for x
    x = 296,680,650/22,610.72
  6. Step 6: Final answer
    x = 13,121.24

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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.