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Finding the Fourth Proportional to 68,842.77, 95,002.41 and 38,627.47

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Solution

The fourth proportional to 68,842.77, 95,002.41 and 38,627.47 is: 53,305.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,842.77 : 95,002.41 = 38,627.47 : x
  2. Step 2: Convert to fraction form
    68,842.77/95,002.41 = 38,627.47/x
  3. Step 3: Cross multiply
    68,842.77x = 95,002.41 × 38,627.47
  4. Step 4: Simplify right side
    68,842.77x = 3,669,702,742.20
  5. Step 5: Solve for x
    x = 3,669,702,742.20/68,842.77
  6. Step 6: Final answer
    x = 53,305.56

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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.