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Finding the Fourth Proportional to 27,593.16, 38,091.78 and 16,991.88

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Solution

The fourth proportional to 27,593.16, 38,091.78 and 16,991.88 is: 23,456.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,593.16 : 38,091.78 = 16,991.88 : x
  2. Step 2: Convert to fraction form
    27,593.16/38,091.78 = 16,991.88/x
  3. Step 3: Cross multiply
    27,593.16x = 38,091.78 × 16,991.88
  4. Step 4: Simplify right side
    27,593.16x = 647,250,954.75
  5. Step 5: Solve for x
    x = 647,250,954.75/27,593.16
  6. Step 6: Final answer
    x = 23,456.93

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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.