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Finding the Fourth Proportional to 22,713.33, 34,060.28 and 7,917.87

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Solution

The fourth proportional to 22,713.33, 34,060.28 and 7,917.87 is: 11,873.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,713.33 : 34,060.28 = 7,917.87 : x
  2. Step 2: Convert to fraction form
    22,713.33/34,060.28 = 7,917.87/x
  3. Step 3: Cross multiply
    22,713.33x = 34,060.28 × 7,917.87
  4. Step 4: Simplify right side
    22,713.33x = 269,684,829.61
  5. Step 5: Solve for x
    x = 269,684,829.61/22,713.33
  6. Step 6: Final answer
    x = 11,873.42

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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.