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Finding the Fourth Proportional to 68,991.39, 95,216.01 and 38,367.54

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Solution

The fourth proportional to 68,991.39, 95,216.01 and 38,367.54 is: 52,951.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,991.39 : 95,216.01 = 38,367.54 : x
  2. Step 2: Convert to fraction form
    68,991.39/95,216.01 = 38,367.54/x
  3. Step 3: Cross multiply
    68,991.39x = 95,216.01 × 38,367.54
  4. Step 4: Simplify right side
    68,991.39x = 3,653,203,446.14
  5. Step 5: Solve for x
    x = 3,653,203,446.14/68,991.39
  6. Step 6: Final answer
    x = 52,951.58

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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.