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Finding the Fourth Proportional to 44.39, 61.46 and 43.58

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Solution

The fourth proportional to 44.39, 61.46 and 43.58 is: 60.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.39 : 61.46 = 43.58 : x
  2. Step 2: Convert to fraction form
    44.39/61.46 = 43.58/x
  3. Step 3: Cross multiply
    44.39x = 61.46 × 43.58
  4. Step 4: Simplify right side
    44.39x = 2,677.90
  5. Step 5: Solve for x
    x = 2,677.90/44.39
  6. Step 6: Final answer
    x = 60.33

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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.