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Finding the Fourth Proportional to 22,843.44, 34,241.82 and 12,961.84

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Solution

The fourth proportional to 22,843.44, 34,241.82 and 12,961.84 is: 19,429.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,843.44 : 34,241.82 = 12,961.84 : x
  2. Step 2: Convert to fraction form
    22,843.44/34,241.82 = 12,961.84/x
  3. Step 3: Cross multiply
    22,843.44x = 34,241.82 × 12,961.84
  4. Step 4: Simplify right side
    22,843.44x = 443,836,992.15
  5. Step 5: Solve for x
    x = 443,836,992.15/22,843.44
  6. Step 6: Final answer
    x = 19,429.52

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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.