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Finding the Fourth Proportional to 50,599.88, 75,781.73 and 39,998.73

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Solution

The fourth proportional to 50,599.88, 75,781.73 and 39,998.73 is: 59,904.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,599.88 : 75,781.73 = 39,998.73 : x
  2. Step 2: Convert to fraction form
    50,599.88/75,781.73 = 39,998.73/x
  3. Step 3: Cross multiply
    50,599.88x = 75,781.73 × 39,998.73
  4. Step 4: Simplify right side
    50,599.88x = 3,031,172,757.21
  5. Step 5: Solve for x
    x = 3,031,172,757.21/50,599.88
  6. Step 6: Final answer
    x = 59,904.75

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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.