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Finding the Fourth Proportional to 22,321.33, 33,481.79 and 6,738.95

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Solution

The fourth proportional to 22,321.33, 33,481.79 and 6,738.95 is: 10,108.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,321.33 : 33,481.79 = 6,738.95 : x
  2. Step 2: Convert to fraction form
    22,321.33/33,481.79 = 6,738.95/x
  3. Step 3: Cross multiply
    22,321.33x = 33,481.79 × 6,738.95
  4. Step 4: Simplify right side
    22,321.33x = 225,632,184.00
  5. Step 5: Solve for x
    x = 225,632,184.00/22,321.33
  6. Step 6: Final answer
    x = 10,108.37

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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.