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Finding the Fourth Proportional to 8,850.45, 12,213.68 and 4,871.46

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Solution

The fourth proportional to 8,850.45, 12,213.68 and 4,871.46 is: 6,722.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,850.45 : 12,213.68 = 4,871.46 : x
  2. Step 2: Convert to fraction form
    8,850.45/12,213.68 = 4,871.46/x
  3. Step 3: Cross multiply
    8,850.45x = 12,213.68 × 4,871.46
  4. Step 4: Simplify right side
    8,850.45x = 59,498,453.57
  5. Step 5: Solve for x
    x = 59,498,453.57/8,850.45
  6. Step 6: Final answer
    x = 6,722.65

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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.