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Finding the Fourth Proportional to 17.26, 23.60 and 16.63

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Solution

The fourth proportional to 17.26, 23.60 and 16.63 is: 22.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.26 : 23.60 = 16.63 : x
  2. Step 2: Convert to fraction form
    17.26/23.60 = 16.63/x
  3. Step 3: Cross multiply
    17.26x = 23.60 × 16.63
  4. Step 4: Simplify right side
    17.26x = 392.36
  5. Step 5: Solve for x
    x = 392.36/17.26
  6. Step 6: Final answer
    x = 22.74

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.