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Finding the Fourth Proportional to 63,472.79, 87,589.19 and 36,613.70

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Solution

The fourth proportional to 63,472.79, 87,589.19 and 36,613.70 is: 50,525.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,472.79 : 87,589.19 = 36,613.70 : x
  2. Step 2: Convert to fraction form
    63,472.79/87,589.19 = 36,613.70/x
  3. Step 3: Cross multiply
    63,472.79x = 87,589.19 × 36,613.70
  4. Step 4: Simplify right side
    63,472.79x = 3,206,963,979.49
  5. Step 5: Solve for x
    x = 3,206,963,979.49/63,472.79
  6. Step 6: Final answer
    x = 50,525.02

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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.