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Finding the Fourth Proportional to 54,683.44, 81,839.97 and 33,636.87

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Solution

The fourth proportional to 54,683.44, 81,839.97 and 33,636.87 is: 50,341.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,683.44 : 81,839.97 = 33,636.87 : x
  2. Step 2: Convert to fraction form
    54,683.44/81,839.97 = 33,636.87/x
  3. Step 3: Cross multiply
    54,683.44x = 81,839.97 × 33,636.87
  4. Step 4: Simplify right side
    54,683.44x = 2,752,840,431.69
  5. Step 5: Solve for x
    x = 2,752,840,431.69/54,683.44
  6. Step 6: Final answer
    x = 50,341.39

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1.5x scale

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.