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Finding the Fourth Proportional to 36,512.92, 50,387.88 and 19,745.92

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Solution

The fourth proportional to 36,512.92, 50,387.88 and 19,745.92 is: 27,249.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,512.92 : 50,387.88 = 19,745.92 : x
  2. Step 2: Convert to fraction form
    36,512.92/50,387.88 = 19,745.92/x
  3. Step 3: Cross multiply
    36,512.92x = 50,387.88 × 19,745.92
  4. Step 4: Simplify right side
    36,512.92x = 994,955,047.45
  5. Step 5: Solve for x
    x = 994,955,047.45/36,512.92
  6. Step 6: Final answer
    x = 27,249.40

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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.