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Finding the Fourth Proportional to 54,008.37, 80,843.00 and 39,213.32

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Solution

The fourth proportional to 54,008.37, 80,843.00 and 39,213.32 is: 58,696.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,008.37 : 80,843.00 = 39,213.32 : x
  2. Step 2: Convert to fraction form
    54,008.37/80,843.00 = 39,213.32/x
  3. Step 3: Cross multiply
    54,008.37x = 80,843.00 × 39,213.32
  4. Step 4: Simplify right side
    54,008.37x = 3,170,121,828.48
  5. Step 5: Solve for x
    x = 3,170,121,828.48/54,008.37
  6. Step 6: Final answer
    x = 58,696.86

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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.