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Finding the Fourth Proportional to 8,080.71, 12,120.72 and 2,237.18

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Solution

The fourth proportional to 8,080.71, 12,120.72 and 2,237.18 is: 3,355.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.71 : 12,120.72 = 2,237.18 : x
  2. Step 2: Convert to fraction form
    8,080.71/12,120.72 = 2,237.18/x
  3. Step 3: Cross multiply
    8,080.71x = 12,120.72 × 2,237.18
  4. Step 4: Simplify right side
    8,080.71x = 27,116,171.77
  5. Step 5: Solve for x
    x = 27,116,171.77/8,080.71
  6. Step 6: Final answer
    x = 3,355.67

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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.