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Finding the Fourth Proportional to 2,697.89, 3,723.11 and 1,518.73

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Solution

The fourth proportional to 2,697.89, 3,723.11 and 1,518.73 is: 2,095.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.89 : 3,723.11 = 1,518.73 : x
  2. Step 2: Convert to fraction form
    2,697.89/3,723.11 = 1,518.73/x
  3. Step 3: Cross multiply
    2,697.89x = 3,723.11 × 1,518.73
  4. Step 4: Simplify right side
    2,697.89x = 5,654,398.85
  5. Step 5: Solve for x
    x = 5,654,398.85/2,697.89
  6. Step 6: Final answer
    x = 2,095.86

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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.