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Finding the Fourth Proportional to 44.10, 60.89 and 30.31

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Solution

The fourth proportional to 44.10, 60.89 and 30.31 is: 41.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.10 : 60.89 = 30.31 : x
  2. Step 2: Convert to fraction form
    44.10/60.89 = 30.31/x
  3. Step 3: Cross multiply
    44.10x = 60.89 × 30.31
  4. Step 4: Simplify right side
    44.10x = 1,845.27
  5. Step 5: Solve for x
    x = 1,845.27/44.10
  6. Step 6: Final answer
    x = 41.84

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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.