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Finding the Fourth Proportional to 3,168.57, 4,754.82 and 1,525.28

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Solution

The fourth proportional to 3,168.57, 4,754.82 and 1,525.28 is: 2,288.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.57 : 4,754.82 = 1,525.28 : x
  2. Step 2: Convert to fraction form
    3,168.57/4,754.82 = 1,525.28/x
  3. Step 3: Cross multiply
    3,168.57x = 4,754.82 × 1,525.28
  4. Step 4: Simplify right side
    3,168.57x = 7,252,408.08
  5. Step 5: Solve for x
    x = 7,252,408.08/3,168.57
  6. Step 6: Final answer
    x = 2,288.86

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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.