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Finding the Fourth Proportional to 55,642.62, 83,352.73 and 33,443.98

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Solution

The fourth proportional to 55,642.62, 83,352.73 and 33,443.98 is: 50,099.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,642.62 : 83,352.73 = 33,443.98 : x
  2. Step 2: Convert to fraction form
    55,642.62/83,352.73 = 33,443.98/x
  3. Step 3: Cross multiply
    55,642.62x = 83,352.73 × 33,443.98
  4. Step 4: Simplify right side
    55,642.62x = 2,787,647,035.07
  5. Step 5: Solve for x
    x = 2,787,647,035.07/55,642.62
  6. Step 6: Final answer
    x = 50,099.13

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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.