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Finding the Fourth Proportional to 17,996.79, 26,995.47 and 5,516.97

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Solution

The fourth proportional to 17,996.79, 26,995.47 and 5,516.97 is: 8,275.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,996.79 : 26,995.47 = 5,516.97 : x
  2. Step 2: Convert to fraction form
    17,996.79/26,995.47 = 5,516.97/x
  3. Step 3: Cross multiply
    17,996.79x = 26,995.47 × 5,516.97
  4. Step 4: Simplify right side
    17,996.79x = 148,933,198.13
  5. Step 5: Solve for x
    x = 148,933,198.13/17,996.79
  6. Step 6: Final answer
    x = 8,275.54

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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.