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Finding the Fourth Proportional to 7,959.11, 11,943.84 and 3,028.79

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Solution

The fourth proportional to 7,959.11, 11,943.84 and 3,028.79 is: 4,545.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959.11 : 11,943.84 = 3,028.79 : x
  2. Step 2: Convert to fraction form
    7,959.11/11,943.84 = 3,028.79/x
  3. Step 3: Cross multiply
    7,959.11x = 11,943.84 × 3,028.79
  4. Step 4: Simplify right side
    7,959.11x = 36,175,323.43
  5. Step 5: Solve for x
    x = 36,175,323.43/7,959.11
  6. Step 6: Final answer
    x = 4,545.15

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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.