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Finding the Fourth Proportional to 17,998.58, 26,983.56 and 11,797.22

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Solution

The fourth proportional to 17,998.58, 26,983.56 and 11,797.22 is: 17,686.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,998.58 : 26,983.56 = 11,797.22 : x
  2. Step 2: Convert to fraction form
    17,998.58/26,983.56 = 11,797.22/x
  3. Step 3: Cross multiply
    17,998.58x = 26,983.56 × 11,797.22
  4. Step 4: Simplify right side
    17,998.58x = 318,330,993.70
  5. Step 5: Solve for x
    x = 318,330,993.70/17,998.58
  6. Step 6: Final answer
    x = 17,686.45

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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.