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Finding the Fourth Proportional to 50,507.91, 75,745.38 and 16,764.87

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Solution

The fourth proportional to 50,507.91, 75,745.38 and 16,764.87 is: 25,141.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,507.91 : 75,745.38 = 16,764.87 : x
  2. Step 2: Convert to fraction form
    50,507.91/75,745.38 = 16,764.87/x
  3. Step 3: Cross multiply
    50,507.91x = 75,745.38 × 16,764.87
  4. Step 4: Simplify right side
    50,507.91x = 1,269,861,448.80
  5. Step 5: Solve for x
    x = 1,269,861,448.80/50,507.91
  6. Step 6: Final answer
    x = 25,141.83

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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.