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Finding the Fourth Proportional to 2,367.60, 3,550.44 and 827.76

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Solution

The fourth proportional to 2,367.60, 3,550.44 and 827.76 is: 1,241.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,367.60 : 3,550.44 = 827.76 : x
  2. Step 2: Convert to fraction form
    2,367.60/3,550.44 = 827.76/x
  3. Step 3: Cross multiply
    2,367.60x = 3,550.44 × 827.76
  4. Step 4: Simplify right side
    2,367.60x = 2,938,912.21
  5. Step 5: Solve for x
    x = 2,938,912.21/2,367.60
  6. Step 6: Final answer
    x = 1,241.30

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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.