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Finding the Fourth Proportional to 5,631.32, 8,441.11 and 2,512.79

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Solution

The fourth proportional to 5,631.32, 8,441.11 and 2,512.79 is: 3,766.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.32 : 8,441.11 = 2,512.79 : x
  2. Step 2: Convert to fraction form
    5,631.32/8,441.11 = 2,512.79/x
  3. Step 3: Cross multiply
    5,631.32x = 8,441.11 × 2,512.79
  4. Step 4: Simplify right side
    5,631.32x = 21,210,729.39
  5. Step 5: Solve for x
    x = 21,210,729.39/5,631.32
  6. Step 6: Final answer
    x = 3,766.56

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1.5x scale

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.