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Finding the Fourth Proportional to 6,107.90, 9,161.82 and 2,211.39

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Solution

The fourth proportional to 6,107.90, 9,161.82 and 2,211.39 is: 3,317.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.90 : 9,161.82 = 2,211.39 : x
  2. Step 2: Convert to fraction form
    6,107.90/9,161.82 = 2,211.39/x
  3. Step 3: Cross multiply
    6,107.90x = 9,161.82 × 2,211.39
  4. Step 4: Simplify right side
    6,107.90x = 20,260,357.13
  5. Step 5: Solve for x
    x = 20,260,357.13/6,107.90
  6. Step 6: Final answer
    x = 3,317.08

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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.