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Finding the Fourth Proportional to 3,659.71, 5,489.74 and 1,194.52

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Solution

The fourth proportional to 3,659.71, 5,489.74 and 1,194.52 is: 1,791.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659.71 : 5,489.74 = 1,194.52 : x
  2. Step 2: Convert to fraction form
    3,659.71/5,489.74 = 1,194.52/x
  3. Step 3: Cross multiply
    3,659.71x = 5,489.74 × 1,194.52
  4. Step 4: Simplify right side
    3,659.71x = 6,557,604.22
  5. Step 5: Solve for x
    x = 6,557,604.22/3,659.71
  6. Step 6: Final answer
    x = 1,791.84

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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.