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Finding the Fourth Proportional to 3,363.65, 5,043.97 and 1,414.47

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Solution

The fourth proportional to 3,363.65, 5,043.97 and 1,414.47 is: 2,121.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,363.65 : 5,043.97 = 1,414.47 : x
  2. Step 2: Convert to fraction form
    3,363.65/5,043.97 = 1,414.47/x
  3. Step 3: Cross multiply
    3,363.65x = 5,043.97 × 1,414.47
  4. Step 4: Simplify right side
    3,363.65x = 7,134,544.25
  5. Step 5: Solve for x
    x = 7,134,544.25/3,363.65
  6. Step 6: Final answer
    x = 2,121.07

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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.