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Finding the Fourth Proportional to 33.29, 49.80 and 23.64

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Solution

The fourth proportional to 33.29, 49.80 and 23.64 is: 35.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.29 : 49.80 = 23.64 : x
  2. Step 2: Convert to fraction form
    33.29/49.80 = 23.64/x
  3. Step 3: Cross multiply
    33.29x = 49.80 × 23.64
  4. Step 4: Simplify right side
    33.29x = 1,177.27
  5. Step 5: Solve for x
    x = 1,177.27/33.29
  6. Step 6: Final answer
    x = 35.37

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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.