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Finding the Fourth Proportional to 68,984.74, 95,199.77 and 38,768.29

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Solution

The fourth proportional to 68,984.74, 95,199.77 and 38,768.29 is: 53,500.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,984.74 : 95,199.77 = 38,768.29 : x
  2. Step 2: Convert to fraction form
    68,984.74/95,199.77 = 38,768.29/x
  3. Step 3: Cross multiply
    68,984.74x = 95,199.77 × 38,768.29
  4. Step 4: Simplify right side
    68,984.74x = 3,690,732,291.29
  5. Step 5: Solve for x
    x = 3,690,732,291.29/68,984.74
  6. Step 6: Final answer
    x = 53,500.71

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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.