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Finding the Fourth Proportional to 22,560.42, 33,843.90 and 6,979.26

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Solution

The fourth proportional to 22,560.42, 33,843.90 and 6,979.26 is: 10,469.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,560.42 : 33,843.90 = 6,979.26 : x
  2. Step 2: Convert to fraction form
    22,560.42/33,843.90 = 6,979.26/x
  3. Step 3: Cross multiply
    22,560.42x = 33,843.90 × 6,979.26
  4. Step 4: Simplify right side
    22,560.42x = 236,205,377.51
  5. Step 5: Solve for x
    x = 236,205,377.51/22,560.42
  6. Step 6: Final answer
    x = 10,469.90

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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.