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Finding the Fourth Proportional to 18,394.58, 27,589.08 and 6,707.82

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Solution

The fourth proportional to 18,394.58, 27,589.08 and 6,707.82 is: 10,060.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394.58 : 27,589.08 = 6,707.82 : x
  2. Step 2: Convert to fraction form
    18,394.58/27,589.08 = 6,707.82/x
  3. Step 3: Cross multiply
    18,394.58x = 27,589.08 × 6,707.82
  4. Step 4: Simplify right side
    18,394.58x = 185,062,582.61
  5. Step 5: Solve for x
    x = 185,062,582.61/18,394.58
  6. Step 6: Final answer
    x = 10,060.71

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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.