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Finding the Fourth Proportional to 16.94, 23.41 and 12.34

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Solution

The fourth proportional to 16.94, 23.41 and 12.34 is: 17.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.94 : 23.41 = 12.34 : x
  2. Step 2: Convert to fraction form
    16.94/23.41 = 12.34/x
  3. Step 3: Cross multiply
    16.94x = 23.41 × 12.34
  4. Step 4: Simplify right side
    16.94x = 288.88
  5. Step 5: Solve for x
    x = 288.88/16.94
  6. Step 6: Final answer
    x = 17.05

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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.