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Finding the Fourth Proportional to 15.92, 23.84 and 10.83

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Solution

The fourth proportional to 15.92, 23.84 and 10.83 is: 16.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.92 : 23.84 = 10.83 : x
  2. Step 2: Convert to fraction form
    15.92/23.84 = 10.83/x
  3. Step 3: Cross multiply
    15.92x = 23.84 × 10.83
  4. Step 4: Simplify right side
    15.92x = 258.13
  5. Step 5: Solve for x
    x = 258.13/15.92
  6. Step 6: Final answer
    x = 16.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.