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Finding the Fourth Proportional to 51.14, 70.53 and 44.26

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Solution

The fourth proportional to 51.14, 70.53 and 44.26 is: 61.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51.14 : 70.53 = 44.26 : x
  2. Step 2: Convert to fraction form
    51.14/70.53 = 44.26/x
  3. Step 3: Cross multiply
    51.14x = 70.53 × 44.26
  4. Step 4: Simplify right side
    51.14x = 3,121.66
  5. Step 5: Solve for x
    x = 3,121.66/51.14
  6. Step 6: Final answer
    x = 61.04

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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.