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Finding the Fourth Proportional to 43.22, 59.68 and 35.44

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Solution

The fourth proportional to 43.22, 59.68 and 35.44 is: 48.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.22 : 59.68 = 35.44 : x
  2. Step 2: Convert to fraction form
    43.22/59.68 = 35.44/x
  3. Step 3: Cross multiply
    43.22x = 59.68 × 35.44
  4. Step 4: Simplify right side
    43.22x = 2,115.06
  5. Step 5: Solve for x
    x = 2,115.06/43.22
  6. Step 6: Final answer
    x = 48.94

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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.