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Finding the Fourth Proportional to 43.92, 60.58 and 35.75

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Solution

The fourth proportional to 43.92, 60.58 and 35.75 is: 49.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.92 : 60.58 = 35.75 : x
  2. Step 2: Convert to fraction form
    43.92/60.58 = 35.75/x
  3. Step 3: Cross multiply
    43.92x = 60.58 × 35.75
  4. Step 4: Simplify right side
    43.92x = 2,165.74
  5. Step 5: Solve for x
    x = 2,165.74/43.92
  6. Step 6: Final answer
    x = 49.31

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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.