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Finding the Fourth Proportional to 63,594.45, 87,760.68 and 39,734.97

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Solution

The fourth proportional to 63,594.45, 87,760.68 and 39,734.97 is: 54,834.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,594.45 : 87,760.68 = 39,734.97 : x
  2. Step 2: Convert to fraction form
    63,594.45/87,760.68 = 39,734.97/x
  3. Step 3: Cross multiply
    63,594.45x = 87,760.68 × 39,734.97
  4. Step 4: Simplify right side
    63,594.45x = 3,487,167,986.98
  5. Step 5: Solve for x
    x = 3,487,167,986.98/63,594.45
  6. Step 6: Final answer
    x = 54,834.47

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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.