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Finding the Fourth Proportional to 63,648.97, 87,825.81 and 36,786.27

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Solution

The fourth proportional to 63,648.97, 87,825.81 and 36,786.27 is: 50,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,648.97 : 87,825.81 = 36,786.27 : x
  2. Step 2: Convert to fraction form
    63,648.97/87,825.81 = 36,786.27/x
  3. Step 3: Cross multiply
    63,648.97x = 87,825.81 × 36,786.27
  4. Step 4: Simplify right side
    63,648.97x = 3,230,783,520.50
  5. Step 5: Solve for x
    x = 3,230,783,520.50/63,648.97
  6. Step 6: Final answer
    x = 50,759.40

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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.