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Finding the Fourth Proportional to 2,366.38, 3,549.46 and 635

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Solution

The fourth proportional to 2,366.38, 3,549.46 and 635 is: 952.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,366.38 : 3,549.46 = 635 : x
  2. Step 2: Convert to fraction form
    2,366.38/3,549.46 = 635/x
  3. Step 3: Cross multiply
    2,366.38x = 3,549.46 × 635
  4. Step 4: Simplify right side
    2,366.38x = 2,253,907.10
  5. Step 5: Solve for x
    x = 2,253,907.10/2,366.38
  6. Step 6: Final answer
    x = 952.47

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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.