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Finding the Fourth Proportional to 57,772.80, 86,667.30 and 22,704.30

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Solution

The fourth proportional to 57,772.80, 86,667.30 and 22,704.30 is: 34,059.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,772.80 : 86,667.30 = 22,704.30 : x
  2. Step 2: Convert to fraction form
    57,772.80/86,667.30 = 22,704.30/x
  3. Step 3: Cross multiply
    57,772.80x = 86,667.30 × 22,704.30
  4. Step 4: Simplify right side
    57,772.80x = 1,967,720,379.39
  5. Step 5: Solve for x
    x = 1,967,720,379.39/57,772.80
  6. Step 6: Final answer
    x = 34,059.63

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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.