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Finding the Fourth Proportional to 33,481.56, 46,206 and 20,055

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Solution

The fourth proportional to 33,481.56, 46,206 and 20,055 is: 27,676.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,481.56 : 46,206 = 20,055 : x
  2. Step 2: Convert to fraction form
    33,481.56/46,206 = 20,055/x
  3. Step 3: Cross multiply
    33,481.56x = 46,206 × 20,055
  4. Step 4: Simplify right side
    33,481.56x = 926,661,330
  5. Step 5: Solve for x
    x = 926,661,330/33,481.56
  6. Step 6: Final answer
    x = 27,676.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.