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Finding the Fourth Proportional to 57,795.26, 86,692.61 and 18,355.41

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Solution

The fourth proportional to 57,795.26, 86,692.61 and 18,355.41 is: 27,533.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,795.26 : 86,692.61 = 18,355.41 : x
  2. Step 2: Convert to fraction form
    57,795.26/86,692.61 = 18,355.41/x
  3. Step 3: Cross multiply
    57,795.26x = 86,692.61 × 18,355.41
  4. Step 4: Simplify right side
    57,795.26x = 1,591,278,446.41
  5. Step 5: Solve for x
    x = 1,591,278,446.41/57,795.26
  6. Step 6: Final answer
    x = 27,533.03

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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.