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Finding the Fourth Proportional to 63,451.86, 87,574.41 and 36,589.56

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Solution

The fourth proportional to 63,451.86, 87,574.41 and 36,589.56 is: 50,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,451.86 : 87,574.41 = 36,589.56 : x
  2. Step 2: Convert to fraction form
    63,451.86/87,574.41 = 36,589.56/x
  3. Step 3: Cross multiply
    63,451.86x = 87,574.41 × 36,589.56
  4. Step 4: Simplify right side
    63,451.86x = 3,204,309,129.16
  5. Step 5: Solve for x
    x = 3,204,309,129.16/63,451.86
  6. Step 6: Final answer
    x = 50,499.85

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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.