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Finding the Fourth Proportional to 67,500.60, 101,250.90 and 36,007.80

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Solution

The fourth proportional to 67,500.60, 101,250.90 and 36,007.80 is: 54,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,500.60 : 101,250.90 = 36,007.80 : x
  2. Step 2: Convert to fraction form
    67,500.60/101,250.90 = 36,007.80/x
  3. Step 3: Cross multiply
    67,500.60x = 101,250.90 × 36,007.80
  4. Step 4: Simplify right side
    67,500.60x = 3,645,822,157.02
  5. Step 5: Solve for x
    x = 3,645,822,157.02/67,500.60
  6. Step 6: Final answer
    x = 54,011.70

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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.