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Finding the Fourth Proportional to 50,519.92, 69,715.88 and 27,859.86

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Solution

The fourth proportional to 50,519.92, 69,715.88 and 27,859.86 is: 38,445.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,519.92 : 69,715.88 = 27,859.86 : x
  2. Step 2: Convert to fraction form
    50,519.92/69,715.88 = 27,859.86/x
  3. Step 3: Cross multiply
    50,519.92x = 69,715.88 × 27,859.86
  4. Step 4: Simplify right side
    50,519.92x = 1,942,274,830.87
  5. Step 5: Solve for x
    x = 1,942,274,830.87/50,519.92
  6. Step 6: Final answer
    x = 38,445.72

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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.