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Finding the Fourth Proportional to 67,251.37, 100,847.87 and 22,866.20

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Solution

The fourth proportional to 67,251.37, 100,847.87 and 22,866.20 is: 34,289.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,251.37 : 100,847.87 = 22,866.20 : x
  2. Step 2: Convert to fraction form
    67,251.37/100,847.87 = 22,866.20/x
  3. Step 3: Cross multiply
    67,251.37x = 100,847.87 × 22,866.20
  4. Step 4: Simplify right side
    67,251.37x = 2,306,007,450.66
  5. Step 5: Solve for x
    x = 2,306,007,450.66/67,251.37
  6. Step 6: Final answer
    x = 34,289.38

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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.