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Finding the Fourth Proportional to 36,858.35, 50,864.52 and 20,091.35

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Solution

The fourth proportional to 36,858.35, 50,864.52 and 20,091.35 is: 27,726.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,858.35 : 50,864.52 = 20,091.35 : x
  2. Step 2: Convert to fraction form
    36,858.35/50,864.52 = 20,091.35/x
  3. Step 3: Cross multiply
    36,858.35x = 50,864.52 × 20,091.35
  4. Step 4: Simplify right side
    36,858.35x = 1,021,936,873.90
  5. Step 5: Solve for x
    x = 1,021,936,873.90/36,858.35
  6. Step 6: Final answer
    x = 27,726.06

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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.