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Finding the Fourth Proportional to 6,648.46, 9,972.28 and 2,752.76

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Solution

The fourth proportional to 6,648.46, 9,972.28 and 2,752.76 is: 4,128.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,648.46 : 9,972.28 = 2,752.76 : x
  2. Step 2: Convert to fraction form
    6,648.46/9,972.28 = 2,752.76/x
  3. Step 3: Cross multiply
    6,648.46x = 9,972.28 × 2,752.76
  4. Step 4: Simplify right side
    6,648.46x = 27,451,293.49
  5. Step 5: Solve for x
    x = 27,451,293.49/6,648.46
  6. Step 6: Final answer
    x = 4,128.97

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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.