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Finding the Fourth Proportional to 67,250.52, 100,892.04 and 20,500.56

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Solution

The fourth proportional to 67,250.52, 100,892.04 and 20,500.56 is: 30,755.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,250.52 : 100,892.04 = 20,500.56 : x
  2. Step 2: Convert to fraction form
    67,250.52/100,892.04 = 20,500.56/x
  3. Step 3: Cross multiply
    67,250.52x = 100,892.04 × 20,500.56
  4. Step 4: Simplify right side
    67,250.52x = 2,068,343,319.54
  5. Step 5: Solve for x
    x = 2,068,343,319.54/67,250.52
  6. Step 6: Final answer
    x = 30,755.80

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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.