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Finding the Fourth Proportional to 8,600.97, 12,843.23 and 6,826.07

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Solution

The fourth proportional to 8,600.97, 12,843.23 and 6,826.07 is: 10,192.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600.97 : 12,843.23 = 6,826.07 : x
  2. Step 2: Convert to fraction form
    8,600.97/12,843.23 = 6,826.07/x
  3. Step 3: Cross multiply
    8,600.97x = 12,843.23 × 6,826.07
  4. Step 4: Simplify right side
    8,600.97x = 87,668,688.66
  5. Step 5: Solve for x
    x = 87,668,688.66/8,600.97
  6. Step 6: Final answer
    x = 10,192.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.