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Finding the Fourth Proportional to 23.74, 32.76 and 17.92

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Solution

The fourth proportional to 23.74, 32.76 and 17.92 is: 24.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.74 : 32.76 = 17.92 : x
  2. Step 2: Convert to fraction form
    23.74/32.76 = 17.92/x
  3. Step 3: Cross multiply
    23.74x = 32.76 × 17.92
  4. Step 4: Simplify right side
    23.74x = 587.06
  5. Step 5: Solve for x
    x = 587.06/23.74
  6. Step 6: Final answer
    x = 24.73

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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.