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Finding the Fourth Proportional to 51.46, 77.09 and 46.10

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Solution

The fourth proportional to 51.46, 77.09 and 46.10 is: 69.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51.46 : 77.09 = 46.10 : x
  2. Step 2: Convert to fraction form
    51.46/77.09 = 46.10/x
  3. Step 3: Cross multiply
    51.46x = 77.09 × 46.10
  4. Step 4: Simplify right side
    51.46x = 3,553.85
  5. Step 5: Solve for x
    x = 3,553.85/51.46
  6. Step 6: Final answer
    x = 69.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.