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Finding the Fourth Proportional to 8,308.80, 11,467.11 and 4,724.30

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Solution

The fourth proportional to 8,308.80, 11,467.11 and 4,724.30 is: 6,520.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308.80 : 11,467.11 = 4,724.30 : x
  2. Step 2: Convert to fraction form
    8,308.80/11,467.11 = 4,724.30/x
  3. Step 3: Cross multiply
    8,308.80x = 11,467.11 × 4,724.30
  4. Step 4: Simplify right side
    8,308.80x = 54,174,010.44
  5. Step 5: Solve for x
    x = 54,174,010.44/8,308.80
  6. Step 6: Final answer
    x = 6,520.08

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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.