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Finding the Fourth Proportional to 2,082.89, 2,874.11 and 1,337.86

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Solution

The fourth proportional to 2,082.89, 2,874.11 and 1,337.86 is: 1,846.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082.89 : 2,874.11 = 1,337.86 : x
  2. Step 2: Convert to fraction form
    2,082.89/2,874.11 = 1,337.86/x
  3. Step 3: Cross multiply
    2,082.89x = 2,874.11 × 1,337.86
  4. Step 4: Simplify right side
    2,082.89x = 3,845,146.27
  5. Step 5: Solve for x
    x = 3,845,146.27/2,082.89
  6. Step 6: Final answer
    x = 1,846.06

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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.