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Finding the Fourth Proportional to 50,844.55, 70,163.55 and 28,183.90

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Solution

The fourth proportional to 50,844.55, 70,163.55 and 28,183.90 is: 38,892.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,844.55 : 70,163.55 = 28,183.90 : x
  2. Step 2: Convert to fraction form
    50,844.55/70,163.55 = 28,183.90/x
  3. Step 3: Cross multiply
    50,844.55x = 70,163.55 × 28,183.90
  4. Step 4: Simplify right side
    50,844.55x = 1,977,482,476.85
  5. Step 5: Solve for x
    x = 1,977,482,476.85/50,844.55
  6. Step 6: Final answer
    x = 38,892.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.