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Finding the Fourth Proportional to 57,672.47, 86,510.03 and 17,692.29

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Solution

The fourth proportional to 57,672.47, 86,510.03 and 17,692.29 is: 26,538.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,672.47 : 86,510.03 = 17,692.29 : x
  2. Step 2: Convert to fraction form
    57,672.47/86,510.03 = 17,692.29/x
  3. Step 3: Cross multiply
    57,672.47x = 86,510.03 × 17,692.29
  4. Step 4: Simplify right side
    57,672.47x = 1,530,560,450.21
  5. Step 5: Solve for x
    x = 1,530,560,450.21/57,672.47
  6. Step 6: Final answer
    x = 26,538.84

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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.