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Finding the Fourth Proportional to 38.43, 52.99 and 24.62

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Solution

The fourth proportional to 38.43, 52.99 and 24.62 is: 33.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.43 : 52.99 = 24.62 : x
  2. Step 2: Convert to fraction form
    38.43/52.99 = 24.62/x
  3. Step 3: Cross multiply
    38.43x = 52.99 × 24.62
  4. Step 4: Simplify right side
    38.43x = 1,304.29
  5. Step 5: Solve for x
    x = 1,304.29/38.43
  6. Step 6: Final answer
    x = 33.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.