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Finding the Fourth Proportional to 16.98, 25.24 and 16.59

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Solution

The fourth proportional to 16.98, 25.24 and 16.59 is: 24.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.98 : 25.24 = 16.59 : x
  2. Step 2: Convert to fraction form
    16.98/25.24 = 16.59/x
  3. Step 3: Cross multiply
    16.98x = 25.24 × 16.59
  4. Step 4: Simplify right side
    16.98x = 418.73
  5. Step 5: Solve for x
    x = 418.73/16.98
  6. Step 6: Final answer
    x = 24.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.