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Finding the Fourth Proportional to 63,673.65, 87,864.49 and 36,817.90

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Solution

The fourth proportional to 63,673.65, 87,864.49 and 36,817.90 is: 50,805.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,673.65 : 87,864.49 = 36,817.90 : x
  2. Step 2: Convert to fraction form
    63,673.65/87,864.49 = 36,817.90/x
  3. Step 3: Cross multiply
    63,673.65x = 87,864.49 × 36,817.90
  4. Step 4: Simplify right side
    63,673.65x = 3,234,986,006.37
  5. Step 5: Solve for x
    x = 3,234,986,006.37/63,673.65
  6. Step 6: Final answer
    x = 50,805.73

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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.