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Finding the Fourth Proportional to 8,443.43, 12,646.11 and 4,064.17

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Solution

The fourth proportional to 8,443.43, 12,646.11 and 4,064.17 is: 6,087.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,443.43 : 12,646.11 = 4,064.17 : x
  2. Step 2: Convert to fraction form
    8,443.43/12,646.11 = 4,064.17/x
  3. Step 3: Cross multiply
    8,443.43x = 12,646.11 × 4,064.17
  4. Step 4: Simplify right side
    8,443.43x = 51,395,940.88
  5. Step 5: Solve for x
    x = 51,395,940.88/8,443.43
  6. Step 6: Final answer
    x = 6,087.09

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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.