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Finding the Fourth Proportional to 16.54, 24.82 and 7.52

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Solution

The fourth proportional to 16.54, 24.82 and 7.52 is: 11.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.54 : 24.82 = 7.52 : x
  2. Step 2: Convert to fraction form
    16.54/24.82 = 7.52/x
  3. Step 3: Cross multiply
    16.54x = 24.82 × 7.52
  4. Step 4: Simplify right side
    16.54x = 186.61
  5. Step 5: Solve for x
    x = 186.61/16.54
  6. Step 6: Final answer
    x = 11.28

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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.