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Finding the Fourth Proportional to 46.54, 69.82 and 36.94

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Solution

The fourth proportional to 46.54, 69.82 and 36.94 is: 55.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.54 : 69.82 = 36.94 : x
  2. Step 2: Convert to fraction form
    46.54/69.82 = 36.94/x
  3. Step 3: Cross multiply
    46.54x = 69.82 × 36.94
  4. Step 4: Simplify right side
    46.54x = 2,579.15
  5. Step 5: Solve for x
    x = 2,579.15/46.54
  6. Step 6: Final answer
    x = 55.42

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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.