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Finding the Fourth Proportional to 54,806.94, 82,220.40 and 17,376.44

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Solution

The fourth proportional to 54,806.94, 82,220.40 and 17,376.44 is: 26,067.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,806.94 : 82,220.40 = 17,376.44 : x
  2. Step 2: Convert to fraction form
    54,806.94/82,220.40 = 17,376.44/x
  3. Step 3: Cross multiply
    54,806.94x = 82,220.40 × 17,376.44
  4. Step 4: Simplify right side
    54,806.94x = 1,428,697,436.27
  5. Step 5: Solve for x
    x = 1,428,697,436.27/54,806.94
  6. Step 6: Final answer
    x = 26,067.82

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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.