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Finding the Fourth Proportional to 23.76, 35.57 and 16.97

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Solution

The fourth proportional to 23.76, 35.57 and 16.97 is: 25.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.76 : 35.57 = 16.97 : x
  2. Step 2: Convert to fraction form
    23.76/35.57 = 16.97/x
  3. Step 3: Cross multiply
    23.76x = 35.57 × 16.97
  4. Step 4: Simplify right side
    23.76x = 603.36
  5. Step 5: Solve for x
    x = 603.36/23.76
  6. Step 6: Final answer
    x = 25.39

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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.