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Finding the Fourth Proportional to 49,773.90, 74,671.92 and 18,183.90

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Solution

The fourth proportional to 49,773.90, 74,671.92 and 18,183.90 is: 27,279.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,773.90 : 74,671.92 = 18,183.90 : x
  2. Step 2: Convert to fraction form
    49,773.90/74,671.92 = 18,183.90/x
  3. Step 3: Cross multiply
    49,773.90x = 74,671.92 × 18,183.90
  4. Step 4: Simplify right side
    49,773.90x = 1,357,826,726.09
  5. Step 5: Solve for x
    x = 1,357,826,726.09/49,773.90
  6. Step 6: Final answer
    x = 27,279.89

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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.