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Finding the Fourth Proportional to 46.42, 69.62 and 22.37

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Solution

The fourth proportional to 46.42, 69.62 and 22.37 is: 33.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.42 : 69.62 = 22.37 : x
  2. Step 2: Convert to fraction form
    46.42/69.62 = 22.37/x
  3. Step 3: Cross multiply
    46.42x = 69.62 × 22.37
  4. Step 4: Simplify right side
    46.42x = 1,556.94
  5. Step 5: Solve for x
    x = 1,556.94/46.42
  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.