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Finding the Fourth Proportional to 6,754.92, 10,125.45 and 3,239.79

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Solution

The fourth proportional to 6,754.92, 10,125.45 and 3,239.79 is: 4,856.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,754.92 : 10,125.45 = 3,239.79 : x
  2. Step 2: Convert to fraction form
    6,754.92/10,125.45 = 3,239.79/x
  3. Step 3: Cross multiply
    6,754.92x = 10,125.45 × 3,239.79
  4. Step 4: Simplify right side
    6,754.92x = 32,804,331.66
  5. Step 5: Solve for x
    x = 32,804,331.66/6,754.92
  6. Step 6: Final answer
    x = 4,856.36

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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.