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Finding the Fourth Proportional to 62,753.96, 86,668.44 and 38,937.44

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Solution

The fourth proportional to 62,753.96, 86,668.44 and 38,937.44 is: 53,775.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,753.96 : 86,668.44 = 38,937.44 : x
  2. Step 2: Convert to fraction form
    62,753.96/86,668.44 = 38,937.44/x
  3. Step 3: Cross multiply
    62,753.96x = 86,668.44 × 38,937.44
  4. Step 4: Simplify right side
    62,753.96x = 3,374,647,182.39
  5. Step 5: Solve for x
    x = 3,374,647,182.39/62,753.96
  6. Step 6: Final answer
    x = 53,775.84

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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.