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Finding the Fourth Proportional to 3,351.60, 5,027.40 and 2,039.40

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Solution

The fourth proportional to 3,351.60, 5,027.40 and 2,039.40 is: 3,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.60 : 5,027.40 = 2,039.40 : x
  2. Step 2: Convert to fraction form
    3,351.60/5,027.40 = 2,039.40/x
  3. Step 3: Cross multiply
    3,351.60x = 5,027.40 × 2,039.40
  4. Step 4: Simplify right side
    3,351.60x = 10,252,879.56
  5. Step 5: Solve for x
    x = 10,252,879.56/3,351.60
  6. Step 6: Final answer
    x = 3,059.10

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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.