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Finding the Fourth Proportional to 3,362.76, 5,044.68 and 1,414.80

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Solution

The fourth proportional to 3,362.76, 5,044.68 and 1,414.80 is: 2,122.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362.76 : 5,044.68 = 1,414.80 : x
  2. Step 2: Convert to fraction form
    3,362.76/5,044.68 = 1,414.80/x
  3. Step 3: Cross multiply
    3,362.76x = 5,044.68 × 1,414.80
  4. Step 4: Simplify right side
    3,362.76x = 7,137,213.26
  5. Step 5: Solve for x
    x = 7,137,213.26/3,362.76
  6. Step 6: Final answer
    x = 2,122.43

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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.