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Finding the Fourth Proportional to 36,803.82, 50,789.25 and 20,036.82

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Solution

The fourth proportional to 36,803.82, 50,789.25 and 20,036.82 is: 27,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,803.82 : 50,789.25 = 20,036.82 : x
  2. Step 2: Convert to fraction form
    36,803.82/50,789.25 = 20,036.82/x
  3. Step 3: Cross multiply
    36,803.82x = 50,789.25 × 20,036.82
  4. Step 4: Simplify right side
    36,803.82x = 1,017,655,060.19
  5. Step 5: Solve for x
    x = 1,017,655,060.19/36,803.82
  6. Step 6: Final answer
    x = 27,650.80

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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.