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Finding the Fourth Proportional to 6,630.72, 9,943.76 and 2,246.88

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Solution

The fourth proportional to 6,630.72, 9,943.76 and 2,246.88 is: 3,369.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.72 : 9,943.76 = 2,246.88 : x
  2. Step 2: Convert to fraction form
    6,630.72/9,943.76 = 2,246.88/x
  3. Step 3: Cross multiply
    6,630.72x = 9,943.76 × 2,246.88
  4. Step 4: Simplify right side
    6,630.72x = 22,342,435.47
  5. Step 5: Solve for x
    x = 22,342,435.47/6,630.72
  6. Step 6: Final answer
    x = 3,369.53

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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.