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Finding the Fourth Proportional to 63,471.60, 87,600.13 and 36,608.86

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Solution

The fourth proportional to 63,471.60, 87,600.13 and 36,608.86 is: 50,525.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,471.60 : 87,600.13 = 36,608.86 : x
  2. Step 2: Convert to fraction form
    63,471.60/87,600.13 = 36,608.86/x
  3. Step 3: Cross multiply
    63,471.60x = 87,600.13 × 36,608.86
  4. Step 4: Simplify right side
    63,471.60x = 3,206,941,119.05
  5. Step 5: Solve for x
    x = 3,206,941,119.05/63,471.60
  6. Step 6: Final answer
    x = 50,525.61

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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.