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Finding the Fourth Proportional to 24.70, 33.79 and 24.62

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Solution

The fourth proportional to 24.70, 33.79 and 24.62 is: 33.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.70 : 33.79 = 24.62 : x
  2. Step 2: Convert to fraction form
    24.70/33.79 = 24.62/x
  3. Step 3: Cross multiply
    24.70x = 33.79 × 24.62
  4. Step 4: Simplify right side
    24.70x = 831.91
  5. Step 5: Solve for x
    x = 831.91/24.70
  6. Step 6: Final answer
    x = 33.68

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.