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Finding the Fourth Proportional to 6,750.60, 10,125.90 and 3,626.31

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Solution

The fourth proportional to 6,750.60, 10,125.90 and 3,626.31 is: 5,439.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,750.60 : 10,125.90 = 3,626.31 : x
  2. Step 2: Convert to fraction form
    6,750.60/10,125.90 = 3,626.31/x
  3. Step 3: Cross multiply
    6,750.60x = 10,125.90 × 3,626.31
  4. Step 4: Simplify right side
    6,750.60x = 36,719,652.43
  5. Step 5: Solve for x
    x = 36,719,652.43/6,750.60
  6. Step 6: Final answer
    x = 5,439.47

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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.