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Finding the Fourth Proportional to 2,344.62, 3,516.68 and 613.24

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Solution

The fourth proportional to 2,344.62, 3,516.68 and 613.24 is: 919.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,344.62 : 3,516.68 = 613.24 : x
  2. Step 2: Convert to fraction form
    2,344.62/3,516.68 = 613.24/x
  3. Step 3: Cross multiply
    2,344.62x = 3,516.68 × 613.24
  4. Step 4: Simplify right side
    2,344.62x = 2,156,568.84
  5. Step 5: Solve for x
    x = 2,156,568.84/2,344.62
  6. Step 6: Final answer
    x = 919.79

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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.