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Finding the Fourth Proportional to 50,369.94, 75,520.82 and 28,198.62

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Solution

The fourth proportional to 50,369.94, 75,520.82 and 28,198.62 is: 42,278.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,369.94 : 75,520.82 = 28,198.62 : x
  2. Step 2: Convert to fraction form
    50,369.94/75,520.82 = 28,198.62/x
  3. Step 3: Cross multiply
    50,369.94x = 75,520.82 × 28,198.62
  4. Step 4: Simplify right side
    50,369.94x = 2,129,582,905.27
  5. Step 5: Solve for x
    x = 2,129,582,905.27/50,369.94
  6. Step 6: Final answer
    x = 42,278.85

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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.