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Finding the Fourth Proportional to 68,067, 93,932.46 and 38,259

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Solution

The fourth proportional to 68,067, 93,932.46 and 38,259 is: 52,797.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,067 : 93,932.46 = 38,259 : x
  2. Step 2: Convert to fraction form
    68,067/93,932.46 = 38,259/x
  3. Step 3: Cross multiply
    68,067x = 93,932.46 × 38,259
  4. Step 4: Simplify right side
    68,067x = 3,593,761,987.14
  5. Step 5: Solve for x
    x = 3,593,761,987.14/68,067
  6. Step 6: Final answer
    x = 52,797.42

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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.