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Finding the Fourth Proportional to 45.33, 62.42 and 44.32

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Solution

The fourth proportional to 45.33, 62.42 and 44.32 is: 61.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.33 : 62.42 = 44.32 : x
  2. Step 2: Convert to fraction form
    45.33/62.42 = 44.32/x
  3. Step 3: Cross multiply
    45.33x = 62.42 × 44.32
  4. Step 4: Simplify right side
    45.33x = 2,766.45
  5. Step 5: Solve for x
    x = 2,766.45/45.33
  6. Step 6: Final answer
    x = 61.03

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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.