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Finding the Fourth Proportional to 46.42, 69.57 and 22.34

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Solution

The fourth proportional to 46.42, 69.57 and 22.34 is: 33.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.42 : 69.57 = 22.34 : x
  2. Step 2: Convert to fraction form
    46.42/69.57 = 22.34/x
  3. Step 3: Cross multiply
    46.42x = 69.57 × 22.34
  4. Step 4: Simplify right side
    46.42x = 1,554.19
  5. Step 5: Solve for x
    x = 1,554.19/46.42
  6. Step 6: Final answer
    x = 33.48

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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.