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Finding the Fourth Proportional to 23.35, 35.03 and 19.96

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Solution

The fourth proportional to 23.35, 35.03 and 19.96 is: 29.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.35 : 35.03 = 19.96 : x
  2. Step 2: Convert to fraction form
    23.35/35.03 = 19.96/x
  3. Step 3: Cross multiply
    23.35x = 35.03 × 19.96
  4. Step 4: Simplify right side
    23.35x = 699.20
  5. Step 5: Solve for x
    x = 699.20/23.35
  6. Step 6: Final answer
    x = 29.94

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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.