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Finding the Fourth Proportional to 8,289.96, 12,440.06 and 3,359.64

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Solution

The fourth proportional to 8,289.96, 12,440.06 and 3,359.64 is: 5,041.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.96 : 12,440.06 = 3,359.64 : x
  2. Step 2: Convert to fraction form
    8,289.96/12,440.06 = 3,359.64/x
  3. Step 3: Cross multiply
    8,289.96x = 12,440.06 × 3,359.64
  4. Step 4: Simplify right side
    8,289.96x = 41,794,123.18
  5. Step 5: Solve for x
    x = 41,794,123.18/8,289.96
  6. Step 6: Final answer
    x = 5,041.53

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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.