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Finding the Fourth Proportional to 77.44, 116.18 and 41.37

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Solution

The fourth proportional to 77.44, 116.18 and 41.37 is: 62.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77.44 : 116.18 = 41.37 : x
  2. Step 2: Convert to fraction form
    77.44/116.18 = 41.37/x
  3. Step 3: Cross multiply
    77.44x = 116.18 × 41.37
  4. Step 4: Simplify right side
    77.44x = 4,806.37
  5. Step 5: Solve for x
    x = 4,806.37/77.44
  6. Step 6: Final answer
    x = 62.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.