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Finding the Fourth Proportional to 39.82, 59.44 and 35.26

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Solution

The fourth proportional to 39.82, 59.44 and 35.26 is: 52.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39.82 : 59.44 = 35.26 : x
  2. Step 2: Convert to fraction form
    39.82/59.44 = 35.26/x
  3. Step 3: Cross multiply
    39.82x = 59.44 × 35.26
  4. Step 4: Simplify right side
    39.82x = 2,095.85
  5. Step 5: Solve for x
    x = 2,095.85/39.82
  6. Step 6: Final answer
    x = 52.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.