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Finding the Fourth Proportional to 52.22, 72.06 and 37.73

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Solution

The fourth proportional to 52.22, 72.06 and 37.73 is: 52.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.22 : 72.06 = 37.73 : x
  2. Step 2: Convert to fraction form
    52.22/72.06 = 37.73/x
  3. Step 3: Cross multiply
    52.22x = 72.06 × 37.73
  4. Step 4: Simplify right side
    52.22x = 2,718.82
  5. Step 5: Solve for x
    x = 2,718.82/52.22
  6. Step 6: Final answer
    x = 52.06

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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.