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Finding the Fourth Proportional to 36,854.52, 50,859.21 and 20,087.52

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Solution

The fourth proportional to 36,854.52, 50,859.21 and 20,087.52 is: 27,720.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,854.52 : 50,859.21 = 20,087.52 : x
  2. Step 2: Convert to fraction form
    36,854.52/50,859.21 = 20,087.52/x
  3. Step 3: Cross multiply
    36,854.52x = 50,859.21 × 20,087.52
  4. Step 4: Simplify right side
    36,854.52x = 1,021,635,398.06
  5. Step 5: Solve for x
    x = 1,021,635,398.06/36,854.52
  6. Step 6: Final answer
    x = 27,720.76

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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.