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Finding the Fourth Proportional to 23.96, 35.79 and 15.33

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Solution

The fourth proportional to 23.96, 35.79 and 15.33 is: 22.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.96 : 35.79 = 15.33 : x
  2. Step 2: Convert to fraction form
    23.96/35.79 = 15.33/x
  3. Step 3: Cross multiply
    23.96x = 35.79 × 15.33
  4. Step 4: Simplify right side
    23.96x = 548.62
  5. Step 5: Solve for x
    x = 548.62/23.96
  6. Step 6: Final answer
    x = 22.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.