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Finding the Fourth Proportional to 23, 34.48 and 16.22

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Solution

The fourth proportional to 23, 34.48 and 16.22 is: 24.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23 : 34.48 = 16.22 : x
  2. Step 2: Convert to fraction form
    23/34.48 = 16.22/x
  3. Step 3: Cross multiply
    23x = 34.48 × 16.22
  4. Step 4: Simplify right side
    23x = 559.27
  5. Step 5: Solve for x
    x = 559.27/23
  6. Step 6: Final answer
    x = 24.32

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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.