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Finding the Fourth Proportional to 3,311.32, 4,958.07 and 1,748.09

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Solution

The fourth proportional to 3,311.32, 4,958.07 and 1,748.09 is: 2,617.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.32 : 4,958.07 = 1,748.09 : x
  2. Step 2: Convert to fraction form
    3,311.32/4,958.07 = 1,748.09/x
  3. Step 3: Cross multiply
    3,311.32x = 4,958.07 × 1,748.09
  4. Step 4: Simplify right side
    3,311.32x = 8,667,152.59
  5. Step 5: Solve for x
    x = 8,667,152.59/3,311.32
  6. Step 6: Final answer
    x = 2,617.43

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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.