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Finding the Fourth Proportional to 7,241.70, 10,862.73 and 2,311.33

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Solution

The fourth proportional to 7,241.70, 10,862.73 and 2,311.33 is: 3,467.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241.70 : 10,862.73 = 2,311.33 : x
  2. Step 2: Convert to fraction form
    7,241.70/10,862.73 = 2,311.33/x
  3. Step 3: Cross multiply
    7,241.70x = 10,862.73 × 2,311.33
  4. Step 4: Simplify right side
    7,241.70x = 25,107,375.98
  5. Step 5: Solve for x
    x = 25,107,375.98/7,241.70
  6. Step 6: Final answer
    x = 3,467.06

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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.