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Finding the Fourth Proportional to 11,999.49, 17,983.29 and 6,375.99

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Solution

The fourth proportional to 11,999.49, 17,983.29 and 6,375.99 is: 9,555.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,999.49 : 17,983.29 = 6,375.99 : x
  2. Step 2: Convert to fraction form
    11,999.49/17,983.29 = 6,375.99/x
  3. Step 3: Cross multiply
    11,999.49x = 17,983.29 × 6,375.99
  4. Step 4: Simplify right side
    11,999.49x = 114,661,277.21
  5. Step 5: Solve for x
    x = 114,661,277.21/11,999.49
  6. Step 6: Final answer
    x = 9,555.51

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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.