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Finding the Fourth Proportional to 49,773.66, 74,671.55 and 18,183.66

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Solution

The fourth proportional to 49,773.66, 74,671.55 and 18,183.66 is: 27,279.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,773.66 : 74,671.55 = 18,183.66 : x
  2. Step 2: Convert to fraction form
    49,773.66/74,671.55 = 18,183.66/x
  3. Step 3: Cross multiply
    49,773.66x = 74,671.55 × 18,183.66
  4. Step 4: Simplify right side
    49,773.66x = 1,357,802,076.87
  5. Step 5: Solve for x
    x = 1,357,802,076.87/49,773.66
  6. Step 6: Final answer
    x = 27,279.53

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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.