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Finding the Fourth Proportional to 18,045.71, 27,067.95 and 6,358.63

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Solution

The fourth proportional to 18,045.71, 27,067.95 and 6,358.63 is: 9,537.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,045.71 : 27,067.95 = 6,358.63 : x
  2. Step 2: Convert to fraction form
    18,045.71/27,067.95 = 6,358.63/x
  3. Step 3: Cross multiply
    18,045.71x = 27,067.95 × 6,358.63
  4. Step 4: Simplify right side
    18,045.71x = 172,115,078.91
  5. Step 5: Solve for x
    x = 172,115,078.91/18,045.71
  6. Step 6: Final answer
    x = 9,537.73

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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.