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Finding the Fourth Proportional to 2,033.17, 3,049.15 and 863.16

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Solution

The fourth proportional to 2,033.17, 3,049.15 and 863.16 is: 1,294.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,033.17 : 3,049.15 = 863.16 : x
  2. Step 2: Convert to fraction form
    2,033.17/3,049.15 = 863.16/x
  3. Step 3: Cross multiply
    2,033.17x = 3,049.15 × 863.16
  4. Step 4: Simplify right side
    2,033.17x = 2,631,904.31
  5. Step 5: Solve for x
    x = 2,631,904.31/2,033.17
  6. Step 6: Final answer
    x = 1,294.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.