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Finding the Fourth Proportional to 22,638.74, 33,949.47 and 12,244.82

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Solution

The fourth proportional to 22,638.74, 33,949.47 and 12,244.82 is: 18,362.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,638.74 : 33,949.47 = 12,244.82 : x
  2. Step 2: Convert to fraction form
    22,638.74/33,949.47 = 12,244.82/x
  3. Step 3: Cross multiply
    22,638.74x = 33,949.47 × 12,244.82
  4. Step 4: Simplify right side
    22,638.74x = 415,705,149.25
  5. Step 5: Solve for x
    x = 415,705,149.25/22,638.74
  6. Step 6: Final answer
    x = 18,362.56

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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.