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Finding the Fourth Proportional to 33.09, 49.61 and 15.96

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Solution

The fourth proportional to 33.09, 49.61 and 15.96 is: 23.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.09 : 49.61 = 15.96 : x
  2. Step 2: Convert to fraction form
    33.09/49.61 = 15.96/x
  3. Step 3: Cross multiply
    33.09x = 49.61 × 15.96
  4. Step 4: Simplify right side
    33.09x = 792.00
  5. Step 5: Solve for x
    x = 792.00/33.09
  6. Step 6: Final answer
    x = 23.94

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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.