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Finding the Fourth Proportional to 3,926.82, 5,891.09 and 1,294.22

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Solution

The fourth proportional to 3,926.82, 5,891.09 and 1,294.22 is: 1,941.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.82 : 5,891.09 = 1,294.22 : x
  2. Step 2: Convert to fraction form
    3,926.82/5,891.09 = 1,294.22/x
  3. Step 3: Cross multiply
    3,926.82x = 5,891.09 × 1,294.22
  4. Step 4: Simplify right side
    3,926.82x = 7,624,348.90
  5. Step 5: Solve for x
    x = 7,624,348.90/3,926.82
  6. Step 6: Final answer
    x = 1,941.61

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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.