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Finding the Fourth Proportional to 2,737.46, 4,105.74 and 789.14

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Solution

The fourth proportional to 2,737.46, 4,105.74 and 789.14 is: 1,183.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,737.46 : 4,105.74 = 789.14 : x
  2. Step 2: Convert to fraction form
    2,737.46/4,105.74 = 789.14/x
  3. Step 3: Cross multiply
    2,737.46x = 4,105.74 × 789.14
  4. Step 4: Simplify right side
    2,737.46x = 3,240,003.66
  5. Step 5: Solve for x
    x = 3,240,003.66/2,737.46
  6. Step 6: Final answer
    x = 1,183.58

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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.