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Finding the Fourth Proportional to 54,605.25, 81,908.28 and 17,669.25

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Solution

The fourth proportional to 54,605.25, 81,908.28 and 17,669.25 is: 26,504.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,605.25 : 81,908.28 = 17,669.25 : x
  2. Step 2: Convert to fraction form
    54,605.25/81,908.28 = 17,669.25/x
  3. Step 3: Cross multiply
    54,605.25x = 81,908.28 × 17,669.25
  4. Step 4: Simplify right side
    54,605.25x = 1,447,257,876.39
  5. Step 5: Solve for x
    x = 1,447,257,876.39/54,605.25
  6. Step 6: Final answer
    x = 26,504.01

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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.