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Finding the Fourth Proportional to 2,443, 3,661.38 and 1,194.16

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Solution

The fourth proportional to 2,443, 3,661.38 and 1,194.16 is: 1,789.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,443 : 3,661.38 = 1,194.16 : x
  2. Step 2: Convert to fraction form
    2,443/3,661.38 = 1,194.16/x
  3. Step 3: Cross multiply
    2,443x = 3,661.38 × 1,194.16
  4. Step 4: Simplify right side
    2,443x = 4,372,273.54
  5. Step 5: Solve for x
    x = 4,372,273.54/2,443
  6. Step 6: Final answer
    x = 1,789.71

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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.