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Finding the Fourth Proportional to 23.49, 35.13 and 16.65

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Solution

The fourth proportional to 23.49, 35.13 and 16.65 is: 24.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.49 : 35.13 = 16.65 : x
  2. Step 2: Convert to fraction form
    23.49/35.13 = 16.65/x
  3. Step 3: Cross multiply
    23.49x = 35.13 × 16.65
  4. Step 4: Simplify right side
    23.49x = 584.91
  5. Step 5: Solve for x
    x = 584.91/23.49
  6. Step 6: Final answer
    x = 24.90

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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.