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Finding the Fourth Proportional to 15.23, 22.82 and 10.73

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Solution

The fourth proportional to 15.23, 22.82 and 10.73 is: 16.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15.23 : 22.82 = 10.73 : x
  2. Step 2: Convert to fraction form
    15.23/22.82 = 10.73/x
  3. Step 3: Cross multiply
    15.23x = 22.82 × 10.73
  4. Step 4: Simplify right side
    15.23x = 244.74
  5. Step 5: Solve for x
    x = 244.74/15.23
  6. Step 6: Final answer
    x = 16.07

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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.