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Finding the Fourth Proportional to 5,350.80, 8,014.05 and 3,163.80

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Solution

The fourth proportional to 5,350.80, 8,014.05 and 3,163.80 is: 4,738.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,350.80 : 8,014.05 = 3,163.80 : x
  2. Step 2: Convert to fraction form
    5,350.80/8,014.05 = 3,163.80/x
  3. Step 3: Cross multiply
    5,350.80x = 8,014.05 × 3,163.80
  4. Step 4: Simplify right side
    5,350.80x = 25,354,851.39
  5. Step 5: Solve for x
    x = 25,354,851.39/5,350.80
  6. Step 6: Final answer
    x = 4,738.52

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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.