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Finding the Fourth Proportional to 51.06, 70.41 and 44.13

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Solution

The fourth proportional to 51.06, 70.41 and 44.13 is: 60.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51.06 : 70.41 = 44.13 : x
  2. Step 2: Convert to fraction form
    51.06/70.41 = 44.13/x
  3. Step 3: Cross multiply
    51.06x = 70.41 × 44.13
  4. Step 4: Simplify right side
    51.06x = 3,107.19
  5. Step 5: Solve for x
    x = 3,107.19/51.06
  6. Step 6: Final answer
    x = 60.85

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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.