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Finding the Fourth Proportional to 22,321.97, 33,481.99 and 6,739.13

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Solution

The fourth proportional to 22,321.97, 33,481.99 and 6,739.13 is: 10,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,321.97 : 33,481.99 = 6,739.13 : x
  2. Step 2: Convert to fraction form
    22,321.97/33,481.99 = 6,739.13/x
  3. Step 3: Cross multiply
    22,321.97x = 33,481.99 × 6,739.13
  4. Step 4: Simplify right side
    22,321.97x = 225,639,299.01
  5. Step 5: Solve for x
    x = 225,639,299.01/22,321.97
  6. Step 6: Final answer
    x = 10,108.40

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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.