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Finding the Fourth Proportional to 52.73, 72.70 and 44.00

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Solution

The fourth proportional to 52.73, 72.70 and 44.00 is: 60.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.73 : 72.70 = 44.00 : x
  2. Step 2: Convert to fraction form
    52.73/72.70 = 44.00/x
  3. Step 3: Cross multiply
    52.73x = 72.70 × 44.00
  4. Step 4: Simplify right side
    52.73x = 3,198.33
  5. Step 5: Solve for x
    x = 3,198.33/52.73
  6. Step 6: Final answer
    x = 60.66

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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.