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Finding the Fourth Proportional to 23.86, 32.92 and 16.58

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Solution

The fourth proportional to 23.86, 32.92 and 16.58 is: 22.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.86 : 32.92 = 16.58 : x
  2. Step 2: Convert to fraction form
    23.86/32.92 = 16.58/x
  3. Step 3: Cross multiply
    23.86x = 32.92 × 16.58
  4. Step 4: Simplify right side
    23.86x = 545.81
  5. Step 5: Solve for x
    x = 545.81/23.86
  6. Step 6: Final answer
    x = 22.88

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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.