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Finding the Fourth Proportional to 56,789.64, 85,072.14 and 44,249.22

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Solution

The fourth proportional to 56,789.64, 85,072.14 and 44,249.22 is: 66,286.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,789.64 : 85,072.14 = 44,249.22 : x
  2. Step 2: Convert to fraction form
    56,789.64/85,072.14 = 44,249.22/x
  3. Step 3: Cross multiply
    56,789.64x = 85,072.14 × 44,249.22
  4. Step 4: Simplify right side
    56,789.64x = 3,764,375,838.73
  5. Step 5: Solve for x
    x = 3,764,375,838.73/56,789.64
  6. Step 6: Final answer
    x = 66,286.31

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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.