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Finding the Fourth Proportional to 50,519.98, 69,715.97 and 27,859.92

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Solution

The fourth proportional to 50,519.98, 69,715.97 and 27,859.92 is: 38,445.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,519.98 : 69,715.97 = 27,859.92 : x
  2. Step 2: Convert to fraction form
    50,519.98/69,715.97 = 27,859.92/x
  3. Step 3: Cross multiply
    50,519.98x = 69,715.97 × 27,859.92
  4. Step 4: Simplify right side
    50,519.98x = 1,942,281,207.62
  5. Step 5: Solve for x
    x = 1,942,281,207.62/50,519.98
  6. Step 6: Final answer
    x = 38,445.81

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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.