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Finding the Fourth Proportional to 11,757.99, 17,626.61 and 8,996.99

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Solution

The fourth proportional to 11,757.99, 17,626.61 and 8,996.99 is: 13,487.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,757.99 : 17,626.61 = 8,996.99 : x
  2. Step 2: Convert to fraction form
    11,757.99/17,626.61 = 8,996.99/x
  3. Step 3: Cross multiply
    11,757.99x = 17,626.61 × 8,996.99
  4. Step 4: Simplify right side
    11,757.99x = 158,586,433.90
  5. Step 5: Solve for x
    x = 158,586,433.90/11,757.99
  6. Step 6: Final answer
    x = 13,487.55

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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.