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Finding the Fourth Proportional to 3,558, 5,337 and 960.94

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Solution

The fourth proportional to 3,558, 5,337 and 960.94 is: 1,441.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558 : 5,337 = 960.94 : x
  2. Step 2: Convert to fraction form
    3,558/5,337 = 960.94/x
  3. Step 3: Cross multiply
    3,558x = 5,337 × 960.94
  4. Step 4: Simplify right side
    3,558x = 5,128,523.44
  5. Step 5: Solve for x
    x = 5,128,523.44/3,558
  6. Step 6: Final answer
    x = 1,441.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.