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Finding the Fourth Proportional to 18,045.97, 27,067.73 and 6,357.67

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Solution

The fourth proportional to 18,045.97, 27,067.73 and 6,357.67 is: 9,536.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,045.97 : 27,067.73 = 6,357.67 : x
  2. Step 2: Convert to fraction form
    18,045.97/27,067.73 = 6,357.67/x
  3. Step 3: Cross multiply
    18,045.97x = 27,067.73 × 6,357.67
  4. Step 4: Simplify right side
    18,045.97x = 172,087,694.99
  5. Step 5: Solve for x
    x = 172,087,694.99/18,045.97
  6. Step 6: Final answer
    x = 9,536.07

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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.