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Finding the Fourth Proportional to 63,593.95, 87,759.99 and 39,734.46

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Solution

The fourth proportional to 63,593.95, 87,759.99 and 39,734.46 is: 54,833.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,593.95 : 87,759.99 = 39,734.46 : x
  2. Step 2: Convert to fraction form
    63,593.95/87,759.99 = 39,734.46/x
  3. Step 3: Cross multiply
    63,593.95x = 87,759.99 × 39,734.46
  4. Step 4: Simplify right side
    63,593.95x = 3,487,095,812.26
  5. Step 5: Solve for x
    x = 3,487,095,812.26/63,593.95
  6. Step 6: Final answer
    x = 54,833.77

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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.