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Finding the Fourth Proportional to 3,630.56, 5,014.24 and 3,236.90

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Solution

The fourth proportional to 3,630.56, 5,014.24 and 3,236.90 is: 4,470.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.56 : 5,014.24 = 3,236.90 : x
  2. Step 2: Convert to fraction form
    3,630.56/5,014.24 = 3,236.90/x
  3. Step 3: Cross multiply
    3,630.56x = 5,014.24 × 3,236.90
  4. Step 4: Simplify right side
    3,630.56x = 16,230,560.29
  5. Step 5: Solve for x
    x = 16,230,560.29/3,630.56
  6. Step 6: Final answer
    x = 4,470.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.