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Finding the Fourth Proportional to 56,620.38, 84,932.49 and 15,067.42

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Solution

The fourth proportional to 56,620.38, 84,932.49 and 15,067.42 is: 22,601.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,620.38 : 84,932.49 = 15,067.42 : x
  2. Step 2: Convert to fraction form
    56,620.38/84,932.49 = 15,067.42/x
  3. Step 3: Cross multiply
    56,620.38x = 84,932.49 × 15,067.42
  4. Step 4: Simplify right side
    56,620.38x = 1,279,713,498.48
  5. Step 5: Solve for x
    x = 1,279,713,498.48/56,620.38
  6. Step 6: Final answer
    x = 22,601.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.