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Finding the Fourth Proportional to 33,957.36, 50,936.06 and 11,770.74

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Solution

The fourth proportional to 33,957.36, 50,936.06 and 11,770.74 is: 17,656.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,957.36 : 50,936.06 = 11,770.74 : x
  2. Step 2: Convert to fraction form
    33,957.36/50,936.06 = 11,770.74/x
  3. Step 3: Cross multiply
    33,957.36x = 50,936.06 × 11,770.74
  4. Step 4: Simplify right side
    33,957.36x = 599,555,118.88
  5. Step 5: Solve for x
    x = 599,555,118.88/33,957.36
  6. Step 6: Final answer
    x = 17,656.12

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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.