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Finding the Fourth Proportional to 54,991.87, 75,923.18 and 37,793.86

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Solution

The fourth proportional to 54,991.87, 75,923.18 and 37,793.86 is: 52,179.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,991.87 : 75,923.18 = 37,793.86 : x
  2. Step 2: Convert to fraction form
    54,991.87/75,923.18 = 37,793.86/x
  3. Step 3: Cross multiply
    54,991.87x = 75,923.18 × 37,793.86
  4. Step 4: Simplify right side
    54,991.87x = 2,869,430,035.67
  5. Step 5: Solve for x
    x = 2,869,430,035.67/54,991.87
  6. Step 6: Final answer
    x = 52,179.17

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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.