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Finding the Fourth Proportional to 35.24, 52.81 and 15.96

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Solution

The fourth proportional to 35.24, 52.81 and 15.96 is: 23.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.24 : 52.81 = 15.96 : x
  2. Step 2: Convert to fraction form
    35.24/52.81 = 15.96/x
  3. Step 3: Cross multiply
    35.24x = 52.81 × 15.96
  4. Step 4: Simplify right side
    35.24x = 842.85
  5. Step 5: Solve for x
    x = 842.85/35.24
  6. Step 6: Final answer
    x = 23.92

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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.