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Finding the Fourth Proportional to 33,755.76, 50,619.06 and 11,571.30

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Solution

The fourth proportional to 33,755.76, 50,619.06 and 11,571.30 is: 17,351.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,755.76 : 50,619.06 = 11,571.30 : x
  2. Step 2: Convert to fraction form
    33,755.76/50,619.06 = 11,571.30/x
  3. Step 3: Cross multiply
    33,755.76x = 50,619.06 × 11,571.30
  4. Step 4: Simplify right side
    33,755.76x = 585,728,328.98
  5. Step 5: Solve for x
    x = 585,728,328.98/33,755.76
  6. Step 6: Final answer
    x = 17,351.95

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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.