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Finding the Fourth Proportional to 18,045.05, 27,067.57 and 8,803.13

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Solution

The fourth proportional to 18,045.05, 27,067.57 and 8,803.13 is: 13,204.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,045.05 : 27,067.57 = 8,803.13 : x
  2. Step 2: Convert to fraction form
    18,045.05/27,067.57 = 8,803.13/x
  3. Step 3: Cross multiply
    18,045.05x = 27,067.57 × 8,803.13
  4. Step 4: Simplify right side
    18,045.05x = 238,279,180.15
  5. Step 5: Solve for x
    x = 238,279,180.15/18,045.05
  6. Step 6: Final answer
    x = 13,204.69

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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.