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Finding the Fourth Proportional to 45.42, 62.22 and 44.46

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Solution

The fourth proportional to 45.42, 62.22 and 44.46 is: 60.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.42 : 62.22 = 44.46 : x
  2. Step 2: Convert to fraction form
    45.42/62.22 = 44.46/x
  3. Step 3: Cross multiply
    45.42x = 62.22 × 44.46
  4. Step 4: Simplify right side
    45.42x = 2,766.30
  5. Step 5: Solve for x
    x = 2,766.30/45.42
  6. Step 6: Final answer
    x = 60.90

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.