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Finding the Fourth Proportional to 27,616.50, 38,110.92 and 15,041.28

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Solution

The fourth proportional to 27,616.50, 38,110.92 and 15,041.28 is: 20,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,616.50 : 38,110.92 = 15,041.28 : x
  2. Step 2: Convert to fraction form
    27,616.50/38,110.92 = 15,041.28/x
  3. Step 3: Cross multiply
    27,616.50x = 38,110.92 × 15,041.28
  4. Step 4: Simplify right side
    27,616.50x = 573,237,018.78
  5. Step 5: Solve for x
    x = 573,237,018.78/27,616.50
  6. Step 6: Final answer
    x = 20,757.05

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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.