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Finding the Fourth Proportional to 6,447.41, 9,669.03 and 2,063.82

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Solution

The fourth proportional to 6,447.41, 9,669.03 and 2,063.82 is: 3,095.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,447.41 : 9,669.03 = 2,063.82 : x
  2. Step 2: Convert to fraction form
    6,447.41/9,669.03 = 2,063.82/x
  3. Step 3: Cross multiply
    6,447.41x = 9,669.03 × 2,063.82
  4. Step 4: Simplify right side
    6,447.41x = 19,955,137.49
  5. Step 5: Solve for x
    x = 19,955,137.49/6,447.41
  6. Step 6: Final answer
    x = 3,095.06

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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.