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Finding the Fourth Proportional to 3,414.52, 5,119.20 and 1,770.03

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Solution

The fourth proportional to 3,414.52, 5,119.20 and 1,770.03 is: 2,653.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.52 : 5,119.20 = 1,770.03 : x
  2. Step 2: Convert to fraction form
    3,414.52/5,119.20 = 1,770.03/x
  3. Step 3: Cross multiply
    3,414.52x = 5,119.20 × 1,770.03
  4. Step 4: Simplify right side
    3,414.52x = 9,061,137.58
  5. Step 5: Solve for x
    x = 9,061,137.58/3,414.52
  6. Step 6: Final answer
    x = 2,653.71

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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.