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Finding the Fourth Proportional to 23.86, 32.92 and 19.24

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Solution

The fourth proportional to 23.86, 32.92 and 19.24 is: 26.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.86 : 32.92 = 19.24 : x
  2. Step 2: Convert to fraction form
    23.86/32.92 = 19.24/x
  3. Step 3: Cross multiply
    23.86x = 32.92 × 19.24
  4. Step 4: Simplify right side
    23.86x = 633.38
  5. Step 5: Solve for x
    x = 633.38/23.86
  6. Step 6: Final answer
    x = 26.55

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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.