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Finding the Fourth Proportional to 54,337.92, 81,490.24 and 37,578.68

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Solution

The fourth proportional to 54,337.92, 81,490.24 and 37,578.68 is: 56,356.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,337.92 : 81,490.24 = 37,578.68 : x
  2. Step 2: Convert to fraction form
    54,337.92/81,490.24 = 37,578.68/x
  3. Step 3: Cross multiply
    54,337.92x = 81,490.24 × 37,578.68
  4. Step 4: Simplify right side
    54,337.92x = 3,062,295,652.08
  5. Step 5: Solve for x
    x = 3,062,295,652.08/54,337.92
  6. Step 6: Final answer
    x = 56,356.51

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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.