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Finding the Fourth Proportional to 33,755.56, 50,633.30 and 12,964.48

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Solution

The fourth proportional to 33,755.56, 50,633.30 and 12,964.48 is: 19,446.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,755.56 : 50,633.30 = 12,964.48 : x
  2. Step 2: Convert to fraction form
    33,755.56/50,633.30 = 12,964.48/x
  3. Step 3: Cross multiply
    33,755.56x = 50,633.30 × 12,964.48
  4. Step 4: Simplify right side
    33,755.56x = 656,434,405.18
  5. Step 5: Solve for x
    x = 656,434,405.18/33,755.56
  6. Step 6: Final answer
    x = 19,446.70

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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.