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Finding the Fourth Proportional to 51.94, 77.46 and 44.76

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Solution

The fourth proportional to 51.94, 77.46 and 44.76 is: 66.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51.94 : 77.46 = 44.76 : x
  2. Step 2: Convert to fraction form
    51.94/77.46 = 44.76/x
  3. Step 3: Cross multiply
    51.94x = 77.46 × 44.76
  4. Step 4: Simplify right side
    51.94x = 3,467.11
  5. Step 5: Solve for x
    x = 3,467.11/51.94
  6. Step 6: Final answer
    x = 66.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.