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Finding the Fourth Proportional to 33,361.47, 50,040.45 and 8,401.50

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Solution

The fourth proportional to 33,361.47, 50,040.45 and 8,401.50 is: 12,601.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,361.47 : 50,040.45 = 8,401.50 : x
  2. Step 2: Convert to fraction form
    33,361.47/50,040.45 = 8,401.50/x
  3. Step 3: Cross multiply
    33,361.47x = 50,040.45 × 8,401.50
  4. Step 4: Simplify right side
    33,361.47x = 420,414,840.68
  5. Step 5: Solve for x
    x = 420,414,840.68/33,361.47
  6. Step 6: Final answer
    x = 12,601.81

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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.