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Finding the Fourth Proportional to 63,674.43, 87,865.57 and 36,818.68

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Solution

The fourth proportional to 63,674.43, 87,865.57 and 36,818.68 is: 50,806.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,674.43 : 87,865.57 = 36,818.68 : x
  2. Step 2: Convert to fraction form
    63,674.43/87,865.57 = 36,818.68/x
  3. Step 3: Cross multiply
    63,674.43x = 87,865.57 × 36,818.68
  4. Step 4: Simplify right side
    63,674.43x = 3,235,093,993.14
  5. Step 5: Solve for x
    x = 3,235,093,993.14/63,674.43
  6. Step 6: Final answer
    x = 50,806.80

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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.