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Finding the Fourth Proportional to 63,367.67, 87,469.25 and 36,520.90

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Solution

The fourth proportional to 63,367.67, 87,469.25 and 36,520.90 is: 50,411.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,367.67 : 87,469.25 = 36,520.90 : x
  2. Step 2: Convert to fraction form
    63,367.67/87,469.25 = 36,520.90/x
  3. Step 3: Cross multiply
    63,367.67x = 87,469.25 × 36,520.90
  4. Step 4: Simplify right side
    63,367.67x = 3,194,455,331.05
  5. Step 5: Solve for x
    x = 3,194,455,331.05/63,367.67
  6. Step 6: Final answer
    x = 50,411.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.