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Finding the Fourth Proportional to 8,359.33, 12,443.44 and 8,234.80

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Solution

The fourth proportional to 8,359.33, 12,443.44 and 8,234.80 is: 12,258.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359.33 : 12,443.44 = 8,234.80 : x
  2. Step 2: Convert to fraction form
    8,359.33/12,443.44 = 8,234.80/x
  3. Step 3: Cross multiply
    8,359.33x = 12,443.44 × 8,234.80
  4. Step 4: Simplify right side
    8,359.33x = 102,469,239.71
  5. Step 5: Solve for x
    x = 102,469,239.71/8,359.33
  6. Step 6: Final answer
    x = 12,258.07

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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.