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Finding the Fourth Proportional to 4,777.13, 7,163.03 and 3,796.22

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Solution

The fourth proportional to 4,777.13, 7,163.03 and 3,796.22 is: 5,692.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.13 : 7,163.03 = 3,796.22 : x
  2. Step 2: Convert to fraction form
    4,777.13/7,163.03 = 3,796.22/x
  3. Step 3: Cross multiply
    4,777.13x = 7,163.03 × 3,796.22
  4. Step 4: Simplify right side
    4,777.13x = 27,192,437.75
  5. Step 5: Solve for x
    x = 27,192,437.75/4,777.13
  6. Step 6: Final answer
    x = 5,692.21

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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.