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Finding the Fourth Proportional to 54,503.48, 81,717.49 and 27,797.65

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Solution

The fourth proportional to 54,503.48, 81,717.49 and 27,797.65 is: 41,677.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,503.48 : 81,717.49 = 27,797.65 : x
  2. Step 2: Convert to fraction form
    54,503.48/81,717.49 = 27,797.65/x
  3. Step 3: Cross multiply
    54,503.48x = 81,717.49 × 27,797.65
  4. Step 4: Simplify right side
    54,503.48x = 2,271,554,016.35
  5. Step 5: Solve for x
    x = 2,271,554,016.35/54,503.48
  6. Step 6: Final answer
    x = 41,677.23

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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.