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Finding the Fourth Proportional to 24.47, 33.75 and 17.18

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Solution

The fourth proportional to 24.47, 33.75 and 17.18 is: 23.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.47 : 33.75 = 17.18 : x
  2. Step 2: Convert to fraction form
    24.47/33.75 = 17.18/x
  3. Step 3: Cross multiply
    24.47x = 33.75 × 17.18
  4. Step 4: Simplify right side
    24.47x = 579.66
  5. Step 5: Solve for x
    x = 579.66/24.47
  6. Step 6: Final answer
    x = 23.69

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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.