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Finding the Fourth Proportional to 33,212.40, 49,786.20 and 29,713.20

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Solution

The fourth proportional to 33,212.40, 49,786.20 and 29,713.20 is: 44,540.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,212.40 : 49,786.20 = 29,713.20 : x
  2. Step 2: Convert to fraction form
    33,212.40/49,786.20 = 29,713.20/x
  3. Step 3: Cross multiply
    33,212.40x = 49,786.20 × 29,713.20
  4. Step 4: Simplify right side
    33,212.40x = 1,479,307,317.84
  5. Step 5: Solve for x
    x = 1,479,307,317.84/33,212.40
  6. Step 6: Final answer
    x = 44,540.81

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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.