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Finding the Fourth Proportional to 57,744.54, 86,629.77 and 18,304.02

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Solution

The fourth proportional to 57,744.54, 86,629.77 and 18,304.02 is: 27,460.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,744.54 : 86,629.77 = 18,304.02 : x
  2. Step 2: Convert to fraction form
    57,744.54/86,629.77 = 18,304.02/x
  3. Step 3: Cross multiply
    57,744.54x = 86,629.77 × 18,304.02
  4. Step 4: Simplify right side
    57,744.54x = 1,585,673,042.68
  5. Step 5: Solve for x
    x = 1,585,673,042.68/57,744.54
  6. Step 6: Final answer
    x = 27,460.14

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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.