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Finding the Fourth Proportional to 63,596.22, 87,744.96 and 39,747.12

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Solution

The fourth proportional to 63,596.22, 87,744.96 and 39,747.12 is: 54,839.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,596.22 : 87,744.96 = 39,747.12 : x
  2. Step 2: Convert to fraction form
    63,596.22/87,744.96 = 39,747.12/x
  3. Step 3: Cross multiply
    63,596.22x = 87,744.96 × 39,747.12
  4. Step 4: Simplify right side
    63,596.22x = 3,487,609,454.52
  5. Step 5: Solve for x
    x = 3,487,609,454.52/63,596.22
  6. Step 6: Final answer
    x = 54,839.89

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1.5x scale

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.