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Finding the Fourth Proportional to 8,763.03, 12,092.82 and 4,986.11

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Solution

The fourth proportional to 8,763.03, 12,092.82 and 4,986.11 is: 6,880.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763.03 : 12,092.82 = 4,986.11 : x
  2. Step 2: Convert to fraction form
    8,763.03/12,092.82 = 4,986.11/x
  3. Step 3: Cross multiply
    8,763.03x = 12,092.82 × 4,986.11
  4. Step 4: Simplify right side
    8,763.03x = 60,296,105.80
  5. Step 5: Solve for x
    x = 60,296,105.80/8,763.03
  6. Step 6: Final answer
    x = 6,880.74

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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.