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Finding the Fourth Proportional to 50,839.97, 76,270.71 and 19,249.43

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Solution

The fourth proportional to 50,839.97, 76,270.71 and 19,249.43 is: 28,878.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,839.97 : 76,270.71 = 19,249.43 : x
  2. Step 2: Convert to fraction form
    50,839.97/76,270.71 = 19,249.43/x
  3. Step 3: Cross multiply
    50,839.97x = 76,270.71 × 19,249.43
  4. Step 4: Simplify right side
    50,839.97x = 1,468,168,134.82
  5. Step 5: Solve for x
    x = 1,468,168,134.82/50,839.97
  6. Step 6: Final answer
    x = 28,878.23

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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.