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Finding the Fourth Proportional to 22,191.26, 33,285.06 and 6,608.88

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Solution

The fourth proportional to 22,191.26, 33,285.06 and 6,608.88 is: 9,912.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,191.26 : 33,285.06 = 6,608.88 : x
  2. Step 2: Convert to fraction form
    22,191.26/33,285.06 = 6,608.88/x
  3. Step 3: Cross multiply
    22,191.26x = 33,285.06 × 6,608.88
  4. Step 4: Simplify right side
    22,191.26x = 219,976,967.33
  5. Step 5: Solve for x
    x = 219,976,967.33/22,191.26
  6. Step 6: Final answer
    x = 9,912.78

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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.