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Finding the Fourth Proportional to 24.71, 33.98 and 23.09

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Solution

The fourth proportional to 24.71, 33.98 and 23.09 is: 31.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.71 : 33.98 = 23.09 : x
  2. Step 2: Convert to fraction form
    24.71/33.98 = 23.09/x
  3. Step 3: Cross multiply
    24.71x = 33.98 × 23.09
  4. Step 4: Simplify right side
    24.71x = 784.49
  5. Step 5: Solve for x
    x = 784.49/24.71
  6. Step 6: Final answer
    x = 31.75

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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.