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Finding the Fourth Proportional to 59.67, 82.43 and 52.28

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Solution

The fourth proportional to 59.67, 82.43 and 52.28 is: 72.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.67 : 82.43 = 52.28 : x
  2. Step 2: Convert to fraction form
    59.67/82.43 = 52.28/x
  3. Step 3: Cross multiply
    59.67x = 82.43 × 52.28
  4. Step 4: Simplify right side
    59.67x = 4,309.88
  5. Step 5: Solve for x
    x = 4,309.88/59.67
  6. Step 6: Final answer
    x = 72.22

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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.