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Finding the Fourth Proportional to 2,344.08, 3,516.12 and 863.28

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Solution

The fourth proportional to 2,344.08, 3,516.12 and 863.28 is: 1,294.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,344.08 : 3,516.12 = 863.28 : x
  2. Step 2: Convert to fraction form
    2,344.08/3,516.12 = 863.28/x
  3. Step 3: Cross multiply
    2,344.08x = 3,516.12 × 863.28
  4. Step 4: Simplify right side
    2,344.08x = 3,035,396.07
  5. Step 5: Solve for x
    x = 3,035,396.07/2,344.08
  6. Step 6: Final answer
    x = 1,294.92

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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.