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Finding the Fourth Proportional to 23.74, 35.55 and 16.96

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Solution

The fourth proportional to 23.74, 35.55 and 16.96 is: 25.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.74 : 35.55 = 16.96 : x
  2. Step 2: Convert to fraction form
    23.74/35.55 = 16.96/x
  3. Step 3: Cross multiply
    23.74x = 35.55 × 16.96
  4. Step 4: Simplify right side
    23.74x = 602.93
  5. Step 5: Solve for x
    x = 602.93/23.74
  6. Step 6: Final answer
    x = 25.40

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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.