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Finding the Fourth Proportional to 43.92, 60.62 and 25.50

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Solution

The fourth proportional to 43.92, 60.62 and 25.50 is: 35.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.92 : 60.62 = 25.50 : x
  2. Step 2: Convert to fraction form
    43.92/60.62 = 25.50/x
  3. Step 3: Cross multiply
    43.92x = 60.62 × 25.50
  4. Step 4: Simplify right side
    43.92x = 1,545.68
  5. Step 5: Solve for x
    x = 1,545.68/43.92
  6. Step 6: Final answer
    x = 35.19

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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.