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Finding the Fourth Proportional to 8,817.96, 12,169.13 and 4,839.24

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Solution

The fourth proportional to 8,817.96, 12,169.13 and 4,839.24 is: 6,678.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.96 : 12,169.13 = 4,839.24 : x
  2. Step 2: Convert to fraction form
    8,817.96/12,169.13 = 4,839.24/x
  3. Step 3: Cross multiply
    8,817.96x = 12,169.13 × 4,839.24
  4. Step 4: Simplify right side
    8,817.96x = 58,889,316.47
  5. Step 5: Solve for x
    x = 58,889,316.47/8,817.96
  6. Step 6: Final answer
    x = 6,678.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.