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Finding the Fourth Proportional to 18,183.42, 25,095.02 and 11,114.55

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Solution

The fourth proportional to 18,183.42, 25,095.02 and 11,114.55 is: 15,339.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,183.42 : 25,095.02 = 11,114.55 : x
  2. Step 2: Convert to fraction form
    18,183.42/25,095.02 = 11,114.55/x
  3. Step 3: Cross multiply
    18,183.42x = 25,095.02 × 11,114.55
  4. Step 4: Simplify right side
    18,183.42x = 278,919,854.54
  5. Step 5: Solve for x
    x = 278,919,854.54/18,183.42
  6. Step 6: Final answer
    x = 15,339.24

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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.