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Finding the Fourth Proportional to 75.53, 104.22 and 44.44

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Solution

The fourth proportional to 75.53, 104.22 and 44.44 is: 61.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75.53 : 104.22 = 44.44 : x
  2. Step 2: Convert to fraction form
    75.53/104.22 = 44.44/x
  3. Step 3: Cross multiply
    75.53x = 104.22 × 44.44
  4. Step 4: Simplify right side
    75.53x = 4,631.47
  5. Step 5: Solve for x
    x = 4,631.47/75.53
  6. Step 6: Final answer
    x = 61.32

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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.