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Finding the Fourth Proportional to 36,887.92, 50,905.24 and 20,120.92

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Solution

The fourth proportional to 36,887.92, 50,905.24 and 20,120.92 is: 27,766.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,887.92 : 50,905.24 = 20,120.92 : x
  2. Step 2: Convert to fraction form
    36,887.92/50,905.24 = 20,120.92/x
  3. Step 3: Cross multiply
    36,887.92x = 50,905.24 × 20,120.92
  4. Step 4: Simplify right side
    36,887.92x = 1,024,260,261.62
  5. Step 5: Solve for x
    x = 1,024,260,261.62/36,887.92
  6. Step 6: Final answer
    x = 27,766.82

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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.