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Finding the Fourth Proportional to 30,067.65, 41,493.87 and 16,456.88

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Solution

The fourth proportional to 30,067.65, 41,493.87 and 16,456.88 is: 22,710.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,067.65 : 41,493.87 = 16,456.88 : x
  2. Step 2: Convert to fraction form
    30,067.65/41,493.87 = 16,456.88/x
  3. Step 3: Cross multiply
    30,067.65x = 41,493.87 × 16,456.88
  4. Step 4: Simplify right side
    30,067.65x = 682,859,743.06
  5. Step 5: Solve for x
    x = 682,859,743.06/30,067.65
  6. Step 6: Final answer
    x = 22,710.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.