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Finding the Fourth Proportional to 5,183.07, 7,777.94 and 5,163.94

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Solution

The fourth proportional to 5,183.07, 7,777.94 and 5,163.94 is: 7,749.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.07 : 7,777.94 = 5,163.94 : x
  2. Step 2: Convert to fraction form
    5,183.07/7,777.94 = 5,163.94/x
  3. Step 3: Cross multiply
    5,183.07x = 7,777.94 × 5,163.94
  4. Step 4: Simplify right side
    5,183.07x = 40,164,789.58
  5. Step 5: Solve for x
    x = 40,164,789.58/5,183.07
  6. Step 6: Final answer
    x = 7,749.22

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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.