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Finding the Fourth Proportional to 45, 62.37 and 44.33

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Solution

The fourth proportional to 45, 62.37 and 44.33 is: 61.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45 : 62.37 = 44.33 : x
  2. Step 2: Convert to fraction form
    45/62.37 = 44.33/x
  3. Step 3: Cross multiply
    45x = 62.37 × 44.33
  4. Step 4: Simplify right side
    45x = 2,764.55
  5. Step 5: Solve for x
    x = 2,764.55/45
  6. Step 6: Final answer
    x = 61.43

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.