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Finding the Fourth Proportional to 69.05, 95.27 and 46.94

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Solution

The fourth proportional to 69.05, 95.27 and 46.94 is: 64.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69.05 : 95.27 = 46.94 : x
  2. Step 2: Convert to fraction form
    69.05/95.27 = 46.94/x
  3. Step 3: Cross multiply
    69.05x = 95.27 × 46.94
  4. Step 4: Simplify right side
    69.05x = 4,471.26
  5. Step 5: Solve for x
    x = 4,471.26/69.05
  6. Step 6: Final answer
    x = 64.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.