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Finding the Fourth Proportional to 59,899.78, 82,694.07 and 36,031.78

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Solution

The fourth proportional to 59,899.78, 82,694.07 and 36,031.78 is: 49,743.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,899.78 : 82,694.07 = 36,031.78 : x
  2. Step 2: Convert to fraction form
    59,899.78/82,694.07 = 36,031.78/x
  3. Step 3: Cross multiply
    59,899.78x = 82,694.07 × 36,031.78
  4. Step 4: Simplify right side
    59,899.78x = 2,979,614,537.54
  5. Step 5: Solve for x
    x = 2,979,614,537.54/59,899.78
  6. Step 6: Final answer
    x = 49,743.33

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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.