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Finding the Fourth Proportional to 18,054.88, 27,082.28 and 4,909.16

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Solution

The fourth proportional to 18,054.88, 27,082.28 and 4,909.16 is: 7,363.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,054.88 : 27,082.28 = 4,909.16 : x
  2. Step 2: Convert to fraction form
    18,054.88/27,082.28 = 4,909.16/x
  3. Step 3: Cross multiply
    18,054.88x = 27,082.28 × 4,909.16
  4. Step 4: Simplify right side
    18,054.88x = 132,951,245.68
  5. Step 5: Solve for x
    x = 132,951,245.68/18,054.88
  6. Step 6: Final answer
    x = 7,363.73

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.