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Finding the Fourth Proportional to 6,679.45, 10,026.95 and 3,908.12

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Solution

The fourth proportional to 6,679.45, 10,026.95 and 3,908.12 is: 5,866.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.45 : 10,026.95 = 3,908.12 : x
  2. Step 2: Convert to fraction form
    6,679.45/10,026.95 = 3,908.12/x
  3. Step 3: Cross multiply
    6,679.45x = 10,026.95 × 3,908.12
  4. Step 4: Simplify right side
    6,679.45x = 39,186,456.91
  5. Step 5: Solve for x
    x = 39,186,456.91/6,679.45
  6. Step 6: Final answer
    x = 5,866.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.