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Finding the Fourth Proportional to 52.37, 72.21 and 44.17

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Solution

The fourth proportional to 52.37, 72.21 and 44.17 is: 60.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.37 : 72.21 = 44.17 : x
  2. Step 2: Convert to fraction form
    52.37/72.21 = 44.17/x
  3. Step 3: Cross multiply
    52.37x = 72.21 × 44.17
  4. Step 4: Simplify right side
    52.37x = 3,189.34
  5. Step 5: Solve for x
    x = 3,189.34/52.37
  6. Step 6: Final answer
    x = 60.90

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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.