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Finding the Fourth Proportional to 16.84, 23.25 and 14.92

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Solution

The fourth proportional to 16.84, 23.25 and 14.92 is: 20.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.84 : 23.25 = 14.92 : x
  2. Step 2: Convert to fraction form
    16.84/23.25 = 14.92/x
  3. Step 3: Cross multiply
    16.84x = 23.25 × 14.92
  4. Step 4: Simplify right side
    16.84x = 346.89
  5. Step 5: Solve for x
    x = 346.89/16.84
  6. Step 6: Final answer
    x = 20.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.