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Finding the Fourth Proportional to 17,996.91, 26,983.79 and 7,474.19

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Solution

The fourth proportional to 17,996.91, 26,983.79 and 7,474.19 is: 11,206.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,996.91 : 26,983.79 = 7,474.19 : x
  2. Step 2: Convert to fraction form
    17,996.91/26,983.79 = 7,474.19/x
  3. Step 3: Cross multiply
    17,996.91x = 26,983.79 × 7,474.19
  4. Step 4: Simplify right side
    17,996.91x = 201,681,801.09
  5. Step 5: Solve for x
    x = 201,681,801.09/17,996.91
  6. Step 6: Final answer
    x = 11,206.47

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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.