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Finding the Fourth Proportional to 46.46, 69.73 and 22.10

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Solution

The fourth proportional to 46.46, 69.73 and 22.10 is: 33.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.46 : 69.73 = 22.10 : x
  2. Step 2: Convert to fraction form
    46.46/69.73 = 22.10/x
  3. Step 3: Cross multiply
    46.46x = 69.73 × 22.10
  4. Step 4: Simplify right side
    46.46x = 1,540.57
  5. Step 5: Solve for x
    x = 1,540.57/46.46
  6. Step 6: Final answer
    x = 33.16

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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.