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Finding the Fourth Proportional to 46.27, 69.41 and 45.94

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Solution

The fourth proportional to 46.27, 69.41 and 45.94 is: 68.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.27 : 69.41 = 45.94 : x
  2. Step 2: Convert to fraction form
    46.27/69.41 = 45.94/x
  3. Step 3: Cross multiply
    46.27x = 69.41 × 45.94
  4. Step 4: Simplify right side
    46.27x = 3,188.70
  5. Step 5: Solve for x
    x = 3,188.70/46.27
  6. Step 6: Final answer
    x = 68.91

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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.