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Finding the Fourth Proportional to 3,914.33, 5,863.68 and 2,353.49

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Solution

The fourth proportional to 3,914.33, 5,863.68 and 2,353.49 is: 3,525.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.33 : 5,863.68 = 2,353.49 : x
  2. Step 2: Convert to fraction form
    3,914.33/5,863.68 = 2,353.49/x
  3. Step 3: Cross multiply
    3,914.33x = 5,863.68 × 2,353.49
  4. Step 4: Simplify right side
    3,914.33x = 13,800,126.90
  5. Step 5: Solve for x
    x = 13,800,126.90/3,914.33
  6. Step 6: Final answer
    x = 3,525.54

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1.5x scale

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.