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Finding the Fourth Proportional to 3,194.82, 4,789.40 and 1,246.59

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Solution

The fourth proportional to 3,194.82, 4,789.40 and 1,246.59 is: 1,868.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194.82 : 4,789.40 = 1,246.59 : x
  2. Step 2: Convert to fraction form
    3,194.82/4,789.40 = 1,246.59/x
  3. Step 3: Cross multiply
    3,194.82x = 4,789.40 × 1,246.59
  4. Step 4: Simplify right side
    3,194.82x = 5,970,411.91
  5. Step 5: Solve for x
    x = 5,970,411.91/3,194.82
  6. Step 6: Final answer
    x = 1,868.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.