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Finding the Fourth Proportional to 16.99, 25.41 and 14.41

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Solution

The fourth proportional to 16.99, 25.41 and 14.41 is: 21.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.99 : 25.41 = 14.41 : x
  2. Step 2: Convert to fraction form
    16.99/25.41 = 14.41/x
  3. Step 3: Cross multiply
    16.99x = 25.41 × 14.41
  4. Step 4: Simplify right side
    16.99x = 366.16
  5. Step 5: Solve for x
    x = 366.16/16.99
  6. Step 6: Final answer
    x = 21.55

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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.