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Finding the Fourth Proportional to 6,630.53, 9,944.57 and 2,680.75

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Solution

The fourth proportional to 6,630.53, 9,944.57 and 2,680.75 is: 4,020.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.53 : 9,944.57 = 2,680.75 : x
  2. Step 2: Convert to fraction form
    6,630.53/9,944.57 = 2,680.75/x
  3. Step 3: Cross multiply
    6,630.53x = 9,944.57 × 2,680.75
  4. Step 4: Simplify right side
    6,630.53x = 26,658,906.03
  5. Step 5: Solve for x
    x = 26,658,906.03/6,630.53
  6. Step 6: Final answer
    x = 4,020.63

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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.