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Finding the Fourth Proportional to 24.65, 36.90 and 22.43

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Solution

The fourth proportional to 24.65, 36.90 and 22.43 is: 33.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.65 : 36.90 = 22.43 : x
  2. Step 2: Convert to fraction form
    24.65/36.90 = 22.43/x
  3. Step 3: Cross multiply
    24.65x = 36.90 × 22.43
  4. Step 4: Simplify right side
    24.65x = 827.67
  5. Step 5: Solve for x
    x = 827.67/24.65
  6. Step 6: Final answer
    x = 33.58

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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.