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Finding the Fourth Proportional to 76.07, 114.14 and 44

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Solution

The fourth proportional to 76.07, 114.14 and 44 is: 66.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76.07 : 114.14 = 44 : x
  2. Step 2: Convert to fraction form
    76.07/114.14 = 44/x
  3. Step 3: Cross multiply
    76.07x = 114.14 × 44
  4. Step 4: Simplify right side
    76.07x = 5,021.94
  5. Step 5: Solve for x
    x = 5,021.94/76.07
  6. Step 6: Final answer
    x = 66.02

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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.