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Finding the Fourth Proportional to 44.83, 61.89 and 29.31

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Solution

The fourth proportional to 44.83, 61.89 and 29.31 is: 40.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.83 : 61.89 = 29.31 : x
  2. Step 2: Convert to fraction form
    44.83/61.89 = 29.31/x
  3. Step 3: Cross multiply
    44.83x = 61.89 × 29.31
  4. Step 4: Simplify right side
    44.83x = 1,813.54
  5. Step 5: Solve for x
    x = 1,813.54/44.83
  6. Step 6: Final answer
    x = 40.46

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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.