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Finding the Fourth Proportional to 6,754.63, 10,143.15 and 4,173.97

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Solution

The fourth proportional to 6,754.63, 10,143.15 and 4,173.97 is: 6,267.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,754.63 : 10,143.15 = 4,173.97 : x
  2. Step 2: Convert to fraction form
    6,754.63/10,143.15 = 4,173.97/x
  3. Step 3: Cross multiply
    6,754.63x = 10,143.15 × 4,173.97
  4. Step 4: Simplify right side
    6,754.63x = 42,337,132.22
  5. Step 5: Solve for x
    x = 42,337,132.22/6,754.63
  6. Step 6: Final answer
    x = 6,267.87

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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.