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Finding the Fourth Proportional to 35.18, 52.81 and 22.34

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Solution

The fourth proportional to 35.18, 52.81 and 22.34 is: 33.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.18 : 52.81 = 22.34 : x
  2. Step 2: Convert to fraction form
    35.18/52.81 = 22.34/x
  3. Step 3: Cross multiply
    35.18x = 52.81 × 22.34
  4. Step 4: Simplify right side
    35.18x = 1,179.85
  5. Step 5: Solve for x
    x = 1,179.85/35.18
  6. Step 6: Final answer
    x = 33.54

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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.