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Finding the Fourth Proportional to 8,072.76, 12,109.15 and 2,526.14

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Solution

The fourth proportional to 8,072.76, 12,109.15 and 2,526.14 is: 3,789.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072.76 : 12,109.15 = 2,526.14 : x
  2. Step 2: Convert to fraction form
    8,072.76/12,109.15 = 2,526.14/x
  3. Step 3: Cross multiply
    8,072.76x = 12,109.15 × 2,526.14
  4. Step 4: Simplify right side
    8,072.76x = 30,589,359.29
  5. Step 5: Solve for x
    x = 30,589,359.29/8,072.76
  6. Step 6: Final answer
    x = 3,789.21

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.