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Finding the Fourth Proportional to 17,998.70, 27,022.35 and 11,437.70

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Solution

The fourth proportional to 17,998.70, 27,022.35 and 11,437.70 is: 17,171.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,998.70 : 27,022.35 = 11,437.70 : x
  2. Step 2: Convert to fraction form
    17,998.70/27,022.35 = 11,437.70/x
  3. Step 3: Cross multiply
    17,998.70x = 27,022.35 × 11,437.70
  4. Step 4: Simplify right side
    17,998.70x = 309,073,532.60
  5. Step 5: Solve for x
    x = 309,073,532.60/17,998.70
  6. Step 6: Final answer
    x = 17,171.99

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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.