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Finding the Fourth Proportional to 63,668.97, 87,874.00 and 36,827.79

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Solution

The fourth proportional to 63,668.97, 87,874.00 and 36,827.79 is: 50,828.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,668.97 : 87,874.00 = 36,827.79 : x
  2. Step 2: Convert to fraction form
    63,668.97/87,874.00 = 36,827.79/x
  3. Step 3: Cross multiply
    63,668.97x = 87,874.00 × 36,827.79
  4. Step 4: Simplify right side
    63,668.97x = 3,236,205,034.32
  5. Step 5: Solve for x
    x = 3,236,205,034.32/63,668.97
  6. Step 6: Final answer
    x = 50,828.61

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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.