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Finding the Fourth Proportional to 71,915.52, 107,887.44 and 22,002.76

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Solution

The fourth proportional to 71,915.52, 107,887.44 and 22,002.76 is: 33,008.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,915.52 : 107,887.44 = 22,002.76 : x
  2. Step 2: Convert to fraction form
    71,915.52/107,887.44 = 22,002.76/x
  3. Step 3: Cross multiply
    71,915.52x = 107,887.44 × 22,002.76
  4. Step 4: Simplify right side
    71,915.52x = 2,373,821,449.33
  5. Step 5: Solve for x
    x = 2,373,821,449.33/71,915.52
  6. Step 6: Final answer
    x = 33,008.47

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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.