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Finding the Fourth Proportional to 23.99, 33.26 and 22.89

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Solution

The fourth proportional to 23.99, 33.26 and 22.89 is: 31.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.99 : 33.26 = 22.89 : x
  2. Step 2: Convert to fraction form
    23.99/33.26 = 22.89/x
  3. Step 3: Cross multiply
    23.99x = 33.26 × 22.89
  4. Step 4: Simplify right side
    23.99x = 761.38
  5. Step 5: Solve for x
    x = 761.38/23.99
  6. Step 6: Final answer
    x = 31.73

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.