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Finding the Fourth Proportional to 18,481.61, 27,847.10 and 15,266.69

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Solution

The fourth proportional to 18,481.61, 27,847.10 and 15,266.69 is: 23,003.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,481.61 : 27,847.10 = 15,266.69 : x
  2. Step 2: Convert to fraction form
    18,481.61/27,847.10 = 15,266.69/x
  3. Step 3: Cross multiply
    18,481.61x = 27,847.10 × 15,266.69
  4. Step 4: Simplify right side
    18,481.61x = 425,132,884.78
  5. Step 5: Solve for x
    x = 425,132,884.78/18,481.61
  6. Step 6: Final answer
    x = 23,003.03

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.