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Finding the Fourth Proportional to 23.67, 32.61 and 17.82

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Solution

The fourth proportional to 23.67, 32.61 and 17.82 is: 24.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.67 : 32.61 = 17.82 : x
  2. Step 2: Convert to fraction form
    23.67/32.61 = 17.82/x
  3. Step 3: Cross multiply
    23.67x = 32.61 × 17.82
  4. Step 4: Simplify right side
    23.67x = 581.11
  5. Step 5: Solve for x
    x = 581.11/23.67
  6. Step 6: Final answer
    x = 24.55

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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.