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Finding the Fourth Proportional to 18,229.30, 27,347.70 and 6,983.86

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Solution

The fourth proportional to 18,229.30, 27,347.70 and 6,983.86 is: 10,477.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229.30 : 27,347.70 = 6,983.86 : x
  2. Step 2: Convert to fraction form
    18,229.30/27,347.70 = 6,983.86/x
  3. Step 3: Cross multiply
    18,229.30x = 27,347.70 × 6,983.86
  4. Step 4: Simplify right side
    18,229.30x = 190,992,508.12
  5. Step 5: Solve for x
    x = 190,992,508.12/18,229.30
  6. Step 6: Final answer
    x = 10,477.23

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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.