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Finding the Fourth Proportional to 63,171.82, 87,212.57 and 43,818.92

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Solution

The fourth proportional to 63,171.82, 87,212.57 and 43,818.92 is: 60,494.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,171.82 : 87,212.57 = 43,818.92 : x
  2. Step 2: Convert to fraction form
    63,171.82/87,212.57 = 43,818.92/x
  3. Step 3: Cross multiply
    63,171.82x = 87,212.57 × 43,818.92
  4. Step 4: Simplify right side
    63,171.82x = 3,821,560,627.82
  5. Step 5: Solve for x
    x = 3,821,560,627.82/63,171.82
  6. Step 6: Final answer
    x = 60,494.71

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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.