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Finding the Fourth Proportional to 5,939.70, 8,913.48 and 3,168.37

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Solution

The fourth proportional to 5,939.70, 8,913.48 and 3,168.37 is: 4,754.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,939.70 : 8,913.48 = 3,168.37 : x
  2. Step 2: Convert to fraction form
    5,939.70/8,913.48 = 3,168.37/x
  3. Step 3: Cross multiply
    5,939.70x = 8,913.48 × 3,168.37
  4. Step 4: Simplify right side
    5,939.70x = 28,241,202.63
  5. Step 5: Solve for x
    x = 28,241,202.63/5,939.70
  6. Step 6: Final answer
    x = 4,754.65

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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.