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Finding the Fourth Proportional to 63,471.82, 87,587.74 and 36,612.73

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Solution

The fourth proportional to 63,471.82, 87,587.74 and 36,612.73 is: 50,523.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,471.82 : 87,587.74 = 36,612.73 : x
  2. Step 2: Convert to fraction form
    63,471.82/87,587.74 = 36,612.73/x
  3. Step 3: Cross multiply
    63,471.82x = 87,587.74 × 36,612.73
  4. Step 4: Simplify right side
    63,471.82x = 3,206,826,275.93
  5. Step 5: Solve for x
    x = 3,206,826,275.93/63,471.82
  6. Step 6: Final answer
    x = 50,523.62

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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.