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Finding the Fourth Proportional to 2,367.38, 3,550.96 and 636

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Solution

The fourth proportional to 2,367.38, 3,550.96 and 636 is: 953.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,367.38 : 3,550.96 = 636 : x
  2. Step 2: Convert to fraction form
    2,367.38/3,550.96 = 636/x
  3. Step 3: Cross multiply
    2,367.38x = 3,550.96 × 636
  4. Step 4: Simplify right side
    2,367.38x = 2,258,410.56
  5. Step 5: Solve for x
    x = 2,258,410.56/2,367.38
  6. Step 6: Final answer
    x = 953.97

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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.