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Finding the Fourth Proportional to 41,793.80, 62,694.75 and 12,210.98

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Solution

The fourth proportional to 41,793.80, 62,694.75 and 12,210.98 is: 18,317.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,793.80 : 62,694.75 = 12,210.98 : x
  2. Step 2: Convert to fraction form
    41,793.80/62,694.75 = 12,210.98/x
  3. Step 3: Cross multiply
    41,793.80x = 62,694.75 × 12,210.98
  4. Step 4: Simplify right side
    41,793.80x = 765,564,338.36
  5. Step 5: Solve for x
    x = 765,564,338.36/41,793.80
  6. Step 6: Final answer
    x = 18,317.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.