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Finding the Fourth Proportional to 5,163.63, 7,745.46 and 4,900.69

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Solution

The fourth proportional to 5,163.63, 7,745.46 and 4,900.69 is: 7,351.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.63 : 7,745.46 = 4,900.69 : x
  2. Step 2: Convert to fraction form
    5,163.63/7,745.46 = 4,900.69/x
  3. Step 3: Cross multiply
    5,163.63x = 7,745.46 × 4,900.69
  4. Step 4: Simplify right side
    5,163.63x = 37,958,098.37
  5. Step 5: Solve for x
    x = 37,958,098.37/5,163.63
  6. Step 6: Final answer
    x = 7,351.05

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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.