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Finding the Fourth Proportional to 5,912.55, 8,871.07 and 2,216.43

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Solution

The fourth proportional to 5,912.55, 8,871.07 and 2,216.43 is: 3,325.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.55 : 8,871.07 = 2,216.43 : x
  2. Step 2: Convert to fraction form
    5,912.55/8,871.07 = 2,216.43/x
  3. Step 3: Cross multiply
    5,912.55x = 8,871.07 × 2,216.43
  4. Step 4: Simplify right side
    5,912.55x = 19,662,105.68
  5. Step 5: Solve for x
    x = 19,662,105.68/5,912.55
  6. Step 6: Final answer
    x = 3,325.49

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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.