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Finding the Fourth Proportional to 18,486.27, 27,726.17 and 6,004.49

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Solution

The fourth proportional to 18,486.27, 27,726.17 and 6,004.49 is: 9,005.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,486.27 : 27,726.17 = 6,004.49 : x
  2. Step 2: Convert to fraction form
    18,486.27/27,726.17 = 6,004.49/x
  3. Step 3: Cross multiply
    18,486.27x = 27,726.17 × 6,004.49
  4. Step 4: Simplify right side
    18,486.27x = 166,481,341.85
  5. Step 5: Solve for x
    x = 166,481,341.85/18,486.27
  6. Step 6: Final answer
    x = 9,005.68

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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.