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Finding the Fourth Proportional to 51.44, 70.92 and 44.24

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Solution

The fourth proportional to 51.44, 70.92 and 44.24 is: 60.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51.44 : 70.92 = 44.24 : x
  2. Step 2: Convert to fraction form
    51.44/70.92 = 44.24/x
  3. Step 3: Cross multiply
    51.44x = 70.92 × 44.24
  4. Step 4: Simplify right side
    51.44x = 3,137.50
  5. Step 5: Solve for x
    x = 3,137.50/51.44
  6. Step 6: Final answer
    x = 60.99

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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.