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Finding the Fourth Proportional to 36,251.99, 50,027.53 and 21,143.47

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Solution

The fourth proportional to 36,251.99, 50,027.53 and 21,143.47 is: 29,177.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,251.99 : 50,027.53 = 21,143.47 : x
  2. Step 2: Convert to fraction form
    36,251.99/50,027.53 = 21,143.47/x
  3. Step 3: Cross multiply
    36,251.99x = 50,027.53 × 21,143.47
  4. Step 4: Simplify right side
    36,251.99x = 1,057,755,223.87
  5. Step 5: Solve for x
    x = 1,057,755,223.87/36,251.99
  6. Step 6: Final answer
    x = 29,177.85

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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.