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Finding the Fourth Proportional to 59.62, 82.25 and 43.22

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Solution

The fourth proportional to 59.62, 82.25 and 43.22 is: 59.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.62 : 82.25 = 43.22 : x
  2. Step 2: Convert to fraction form
    59.62/82.25 = 43.22/x
  3. Step 3: Cross multiply
    59.62x = 82.25 × 43.22
  4. Step 4: Simplify right side
    59.62x = 3,554.22
  5. Step 5: Solve for x
    x = 3,554.22/59.62
  6. Step 6: Final answer
    x = 59.62

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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.