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Finding the Fourth Proportional to 2,716.71, 3,743.26 and 1,830.97

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Solution

The fourth proportional to 2,716.71, 3,743.26 and 1,830.97 is: 2,522.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.71 : 3,743.26 = 1,830.97 : x
  2. Step 2: Convert to fraction form
    2,716.71/3,743.26 = 1,830.97/x
  3. Step 3: Cross multiply
    2,716.71x = 3,743.26 × 1,830.97
  4. Step 4: Simplify right side
    2,716.71x = 6,853,796.76
  5. Step 5: Solve for x
    x = 6,853,796.76/2,716.71
  6. Step 6: Final answer
    x = 2,522.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.