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Finding the Fourth Proportional to 27,881.41, 38,458.86 and 16,542.88

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Solution

The fourth proportional to 27,881.41, 38,458.86 and 16,542.88 is: 22,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,881.41 : 38,458.86 = 16,542.88 : x
  2. Step 2: Convert to fraction form
    27,881.41/38,458.86 = 16,542.88/x
  3. Step 3: Cross multiply
    27,881.41x = 38,458.86 × 16,542.88
  4. Step 4: Simplify right side
    27,881.41x = 636,220,305.92
  5. Step 5: Solve for x
    x = 636,220,305.92/27,881.41
  6. Step 6: Final answer
    x = 22,818.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.