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Finding the Fourth Proportional to 3,374.82, 5,062.32 and 1,426.68

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Solution

The fourth proportional to 3,374.82, 5,062.32 and 1,426.68 is: 2,140.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374.82 : 5,062.32 = 1,426.68 : x
  2. Step 2: Convert to fraction form
    3,374.82/5,062.32 = 1,426.68/x
  3. Step 3: Cross multiply
    3,374.82x = 5,062.32 × 1,426.68
  4. Step 4: Simplify right side
    3,374.82x = 7,222,310.70
  5. Step 5: Solve for x
    x = 7,222,310.70/3,374.82
  6. Step 6: Final answer
    x = 2,140.06

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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.