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Finding the Fourth Proportional to 6,171.96, 9,258.90 and 2,067

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Solution

The fourth proportional to 6,171.96, 9,258.90 and 2,067 is: 3,100.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.96 : 9,258.90 = 2,067 : x
  2. Step 2: Convert to fraction form
    6,171.96/9,258.90 = 2,067/x
  3. Step 3: Cross multiply
    6,171.96x = 9,258.90 × 2,067
  4. Step 4: Simplify right side
    6,171.96x = 19,138,146.30
  5. Step 5: Solve for x
    x = 19,138,146.30/6,171.96
  6. Step 6: Final answer
    x = 3,100.82

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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.