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Finding the Fourth Proportional to 63,619.68, 87,793.80 and 35,324.88

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Solution

The fourth proportional to 63,619.68, 87,793.80 and 35,324.88 is: 48,747.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,619.68 : 87,793.80 = 35,324.88 : x
  2. Step 2: Convert to fraction form
    63,619.68/87,793.80 = 35,324.88/x
  3. Step 3: Cross multiply
    63,619.68x = 87,793.80 × 35,324.88
  4. Step 4: Simplify right side
    63,619.68x = 3,101,305,449.74
  5. Step 5: Solve for x
    x = 3,101,305,449.74/63,619.68
  6. Step 6: Final answer
    x = 48,747.58

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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.