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Finding the Fourth Proportional to 16.94, 23.33 and 14.74

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Solution

The fourth proportional to 16.94, 23.33 and 14.74 is: 20.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.94 : 23.33 = 14.74 : x
  2. Step 2: Convert to fraction form
    16.94/23.33 = 14.74/x
  3. Step 3: Cross multiply
    16.94x = 23.33 × 14.74
  4. Step 4: Simplify right side
    16.94x = 343.77
  5. Step 5: Solve for x
    x = 343.77/16.94
  6. Step 6: Final answer
    x = 20.29

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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.