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Finding the Fourth Proportional to 52.39, 72.25 and 44.22

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Solution

The fourth proportional to 52.39, 72.25 and 44.22 is: 60.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.39 : 72.25 = 44.22 : x
  2. Step 2: Convert to fraction form
    52.39/72.25 = 44.22/x
  3. Step 3: Cross multiply
    52.39x = 72.25 × 44.22
  4. Step 4: Simplify right side
    52.39x = 3,194.90
  5. Step 5: Solve for x
    x = 3,194.90/52.39
  6. Step 6: Final answer
    x = 60.98

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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.