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Finding the Fourth Proportional to 8,839.82, 12,198.93 and 4,861.16

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Solution

The fourth proportional to 8,839.82, 12,198.93 and 4,861.16 is: 6,708.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.82 : 12,198.93 = 4,861.16 : x
  2. Step 2: Convert to fraction form
    8,839.82/12,198.93 = 4,861.16/x
  3. Step 3: Cross multiply
    8,839.82x = 12,198.93 × 4,861.16
  4. Step 4: Simplify right side
    8,839.82x = 59,300,950.56
  5. Step 5: Solve for x
    x = 59,300,950.56/8,839.82
  6. Step 6: Final answer
    x = 6,708.39

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Why These Related Problems?

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