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Finding the Fourth Proportional to 6,760.97, 10,141.48 and 2,143.97

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Solution

The fourth proportional to 6,760.97, 10,141.48 and 2,143.97 is: 3,215.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,760.97 : 10,141.48 = 2,143.97 : x
  2. Step 2: Convert to fraction form
    6,760.97/10,141.48 = 2,143.97/x
  3. Step 3: Cross multiply
    6,760.97x = 10,141.48 × 2,143.97
  4. Step 4: Simplify right side
    6,760.97x = 21,743,012.85
  5. Step 5: Solve for x
    x = 21,743,012.85/6,760.97
  6. Step 6: Final answer
    x = 3,215.96

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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.