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Finding the Fourth Proportional to 8,866.20, 13,299.40 and 4,483.82

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Solution

The fourth proportional to 8,866.20, 13,299.40 and 4,483.82 is: 6,725.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.20 : 13,299.40 = 4,483.82 : x
  2. Step 2: Convert to fraction form
    8,866.20/13,299.40 = 4,483.82/x
  3. Step 3: Cross multiply
    8,866.20x = 13,299.40 × 4,483.82
  4. Step 4: Simplify right side
    8,866.20x = 59,632,115.71
  5. Step 5: Solve for x
    x = 59,632,115.71/8,866.20
  6. Step 6: Final answer
    x = 6,725.78

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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.