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Finding the Fourth Proportional to 63,418.88, 87,516.97 and 35,123.96

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Solution

The fourth proportional to 63,418.88, 87,516.97 and 35,123.96 is: 48,470.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,418.88 : 87,516.97 = 35,123.96 : x
  2. Step 2: Convert to fraction form
    63,418.88/87,516.97 = 35,123.96/x
  3. Step 3: Cross multiply
    63,418.88x = 87,516.97 × 35,123.96
  4. Step 4: Simplify right side
    63,418.88x = 3,073,942,553.60
  5. Step 5: Solve for x
    x = 3,073,942,553.60/63,418.88
  6. Step 6: Final answer
    x = 48,470.46

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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.