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Finding the Fourth Proportional to 16.58, 24.82 and 8.52

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Solution

The fourth proportional to 16.58, 24.82 and 8.52 is: 12.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.58 : 24.82 = 8.52 : x
  2. Step 2: Convert to fraction form
    16.58/24.82 = 8.52/x
  3. Step 3: Cross multiply
    16.58x = 24.82 × 8.52
  4. Step 4: Simplify right side
    16.58x = 211.45
  5. Step 5: Solve for x
    x = 211.45/16.58
  6. Step 6: Final answer
    x = 12.76

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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.