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Finding the Fourth Proportional to 33,571.91, 50,361.16 and 12,230.43

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Solution

The fourth proportional to 33,571.91, 50,361.16 and 12,230.43 is: 18,346.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,571.91 : 50,361.16 = 12,230.43 : x
  2. Step 2: Convert to fraction form
    33,571.91/50,361.16 = 12,230.43/x
  3. Step 3: Cross multiply
    33,571.91x = 50,361.16 × 12,230.43
  4. Step 4: Simplify right side
    33,571.91x = 615,938,611.52
  5. Step 5: Solve for x
    x = 615,938,611.52/33,571.91
  6. Step 6: Final answer
    x = 18,346.84

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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.