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Finding the Fourth Proportional to 46.22, 63.79 and 35.13

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Solution

The fourth proportional to 46.22, 63.79 and 35.13 is: 48.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.22 : 63.79 = 35.13 : x
  2. Step 2: Convert to fraction form
    46.22/63.79 = 35.13/x
  3. Step 3: Cross multiply
    46.22x = 63.79 × 35.13
  4. Step 4: Simplify right side
    46.22x = 2,241.09
  5. Step 5: Solve for x
    x = 2,241.09/46.22
  6. Step 6: Final answer
    x = 48.49

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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.