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Finding the Fourth Proportional to 63,668.33, 87,825.71 and 39,753.49

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Solution

The fourth proportional to 63,668.33, 87,825.71 and 39,753.49 is: 54,836.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,668.33 : 87,825.71 = 39,753.49 : x
  2. Step 2: Convert to fraction form
    63,668.33/87,825.71 = 39,753.49/x
  3. Step 3: Cross multiply
    63,668.33x = 87,825.71 × 39,753.49
  4. Step 4: Simplify right side
    63,668.33x = 3,491,378,293.41
  5. Step 5: Solve for x
    x = 3,491,378,293.41/63,668.33
  6. Step 6: Final answer
    x = 54,836.97

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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.