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Finding the Fourth Proportional to 35.27, 52.90 and 11.22

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Solution

The fourth proportional to 35.27, 52.90 and 11.22 is: 16.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.27 : 52.90 = 11.22 : x
  2. Step 2: Convert to fraction form
    35.27/52.90 = 11.22/x
  3. Step 3: Cross multiply
    35.27x = 52.90 × 11.22
  4. Step 4: Simplify right side
    35.27x = 593.51
  5. Step 5: Solve for x
    x = 593.51/35.27
  6. Step 6: Final answer
    x = 16.83

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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.