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Finding the Fourth Proportional to 1,983.62, 2,737.46 and 1,099.49

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Solution

The fourth proportional to 1,983.62, 2,737.46 and 1,099.49 is: 1,517.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983.62 : 2,737.46 = 1,099.49 : x
  2. Step 2: Convert to fraction form
    1,983.62/2,737.46 = 1,099.49/x
  3. Step 3: Cross multiply
    1,983.62x = 2,737.46 × 1,099.49
  4. Step 4: Simplify right side
    1,983.62x = 3,009,798.96
  5. Step 5: Solve for x
    x = 3,009,798.96/1,983.62
  6. Step 6: Final answer
    x = 1,517.32

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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.