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Finding the Fourth Proportional to 18,067.76, 27,094.68 and 7,245.26

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Solution

The fourth proportional to 18,067.76, 27,094.68 and 7,245.26 is: 10,865.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,067.76 : 27,094.68 = 7,245.26 : x
  2. Step 2: Convert to fraction form
    18,067.76/27,094.68 = 7,245.26/x
  3. Step 3: Cross multiply
    18,067.76x = 27,094.68 × 7,245.26
  4. Step 4: Simplify right side
    18,067.76x = 196,308,001.22
  5. Step 5: Solve for x
    x = 196,308,001.22/18,067.76
  6. Step 6: Final answer
    x = 10,865.10

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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.