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Finding the Fourth Proportional to 16.84, 25.28 and 14.94

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Solution

The fourth proportional to 16.84, 25.28 and 14.94 is: 22.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.84 : 25.28 = 14.94 : x
  2. Step 2: Convert to fraction form
    16.84/25.28 = 14.94/x
  3. Step 3: Cross multiply
    16.84x = 25.28 × 14.94
  4. Step 4: Simplify right side
    16.84x = 377.68
  5. Step 5: Solve for x
    x = 377.68/16.84
  6. Step 6: Final answer
    x = 22.43

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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.