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Finding the Fourth Proportional to 51.95, 71.73 and 34.48

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Solution

The fourth proportional to 51.95, 71.73 and 34.48 is: 47.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51.95 : 71.73 = 34.48 : x
  2. Step 2: Convert to fraction form
    51.95/71.73 = 34.48/x
  3. Step 3: Cross multiply
    51.95x = 71.73 × 34.48
  4. Step 4: Simplify right side
    51.95x = 2,473.25
  5. Step 5: Solve for x
    x = 2,473.25/51.95
  6. Step 6: Final answer
    x = 47.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.