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Finding the Fourth Proportional to 71,913.52, 107,884.44 and 22,000.76

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Solution

The fourth proportional to 71,913.52, 107,884.44 and 22,000.76 is: 33,005.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,913.52 : 107,884.44 = 22,000.76 : x
  2. Step 2: Convert to fraction form
    71,913.52/107,884.44 = 22,000.76/x
  3. Step 3: Cross multiply
    71,913.52x = 107,884.44 × 22,000.76
  4. Step 4: Simplify right side
    71,913.52x = 2,373,539,672.17
  5. Step 5: Solve for x
    x = 2,373,539,672.17/71,913.52
  6. Step 6: Final answer
    x = 33,005.47

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1.5x scale

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.