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Finding the Fourth Proportional to 22,522.80, 33,738.07 and 12,641.33

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Solution

The fourth proportional to 22,522.80, 33,738.07 and 12,641.33 is: 18,936.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,522.80 : 33,738.07 = 12,641.33 : x
  2. Step 2: Convert to fraction form
    22,522.80/33,738.07 = 12,641.33/x
  3. Step 3: Cross multiply
    22,522.80x = 33,738.07 × 12,641.33
  4. Step 4: Simplify right side
    22,522.80x = 426,494,076.43
  5. Step 5: Solve for x
    x = 426,494,076.43/22,522.80
  6. Step 6: Final answer
    x = 18,936.10

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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.