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Finding the Fourth Proportional to 18,193.26, 27,288.66 and 7,097.88

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Solution

The fourth proportional to 18,193.26, 27,288.66 and 7,097.88 is: 10,646.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193.26 : 27,288.66 = 7,097.88 : x
  2. Step 2: Convert to fraction form
    18,193.26/27,288.66 = 7,097.88/x
  3. Step 3: Cross multiply
    18,193.26x = 27,288.66 × 7,097.88
  4. Step 4: Simplify right side
    18,193.26x = 193,691,634.04
  5. Step 5: Solve for x
    x = 193,691,634.04/18,193.26
  6. Step 6: Final answer
    x = 10,646.34

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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.