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Finding the Fourth Proportional to 8,371.56, 12,562.92 and 3,754.56

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Solution

The fourth proportional to 8,371.56, 12,562.92 and 3,754.56 is: 5,634.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,371.56 : 12,562.92 = 3,754.56 : x
  2. Step 2: Convert to fraction form
    8,371.56/12,562.92 = 3,754.56/x
  3. Step 3: Cross multiply
    8,371.56x = 12,562.92 × 3,754.56
  4. Step 4: Simplify right side
    8,371.56x = 47,168,236.92
  5. Step 5: Solve for x
    x = 47,168,236.92/8,371.56
  6. Step 6: Final answer
    x = 5,634.34

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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.