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Finding the Fourth Proportional to 54,687.36, 81,927.36 and 27,004.80

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Solution

The fourth proportional to 54,687.36, 81,927.36 and 27,004.80 is: 40,456.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,687.36 : 81,927.36 = 27,004.80 : x
  2. Step 2: Convert to fraction form
    54,687.36/81,927.36 = 27,004.80/x
  3. Step 3: Cross multiply
    54,687.36x = 81,927.36 × 27,004.80
  4. Step 4: Simplify right side
    54,687.36x = 2,212,431,971.33
  5. Step 5: Solve for x
    x = 2,212,431,971.33/54,687.36
  6. Step 6: Final answer
    x = 40,456.00

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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.