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Finding the Fourth Proportional to 54,721.60, 82,033.80 and 36,010.60

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Solution

The fourth proportional to 54,721.60, 82,033.80 and 36,010.60 is: 53,983.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,721.60 : 82,033.80 = 36,010.60 : x
  2. Step 2: Convert to fraction form
    54,721.60/82,033.80 = 36,010.60/x
  3. Step 3: Cross multiply
    54,721.60x = 82,033.80 × 36,010.60
  4. Step 4: Simplify right side
    54,721.60x = 2,954,086,358.28
  5. Step 5: Solve for x
    x = 2,954,086,358.28/54,721.60
  6. Step 6: Final answer
    x = 53,983.92

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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.