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Finding the Fourth Proportional to 46.37, 63.99 and 27.96

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Solution

The fourth proportional to 46.37, 63.99 and 27.96 is: 38.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.37 : 63.99 = 27.96 : x
  2. Step 2: Convert to fraction form
    46.37/63.99 = 27.96/x
  3. Step 3: Cross multiply
    46.37x = 63.99 × 27.96
  4. Step 4: Simplify right side
    46.37x = 1,789.28
  5. Step 5: Solve for x
    x = 1,789.28/46.37
  6. Step 6: Final answer
    x = 38.58

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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.