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Finding the Fourth Proportional to 46.18, 63.65 and 36.94

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Solution

The fourth proportional to 46.18, 63.65 and 36.94 is: 50.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.18 : 63.65 = 36.94 : x
  2. Step 2: Convert to fraction form
    46.18/63.65 = 36.94/x
  3. Step 3: Cross multiply
    46.18x = 63.65 × 36.94
  4. Step 4: Simplify right side
    46.18x = 2,351.23
  5. Step 5: Solve for x
    x = 2,351.23/46.18
  6. Step 6: Final answer
    x = 50.91

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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.