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Finding the Fourth Proportional to 54,183.99, 74,800.01 and 36,064.87

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Solution

The fourth proportional to 54,183.99, 74,800.01 and 36,064.87 is: 49,786.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,183.99 : 74,800.01 = 36,064.87 : x
  2. Step 2: Convert to fraction form
    54,183.99/74,800.01 = 36,064.87/x
  3. Step 3: Cross multiply
    54,183.99x = 74,800.01 × 36,064.87
  4. Step 4: Simplify right side
    54,183.99x = 2,697,652,657.21
  5. Step 5: Solve for x
    x = 2,697,652,657.21/54,183.99
  6. Step 6: Final answer
    x = 49,786.89

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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.