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Finding the Fourth Proportional to 50,375.88, 69,500.57 and 28,859.94

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Solution

The fourth proportional to 50,375.88, 69,500.57 and 28,859.94 is: 39,816.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,375.88 : 69,500.57 = 28,859.94 : x
  2. Step 2: Convert to fraction form
    50,375.88/69,500.57 = 28,859.94/x
  3. Step 3: Cross multiply
    50,375.88x = 69,500.57 × 28,859.94
  4. Step 4: Simplify right side
    50,375.88x = 2,005,782,135.87
  5. Step 5: Solve for x
    x = 2,005,782,135.87/50,375.88
  6. Step 6: Final answer
    x = 39,816.32

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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.