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Finding the Fourth Proportional to 18,640.15, 27,952.02 and 9,873.02

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Solution

The fourth proportional to 18,640.15, 27,952.02 and 9,873.02 is: 14,805.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,640.15 : 27,952.02 = 9,873.02 : x
  2. Step 2: Convert to fraction form
    18,640.15/27,952.02 = 9,873.02/x
  3. Step 3: Cross multiply
    18,640.15x = 27,952.02 × 9,873.02
  4. Step 4: Simplify right side
    18,640.15x = 275,970,922.38
  5. Step 5: Solve for x
    x = 275,970,922.38/18,640.15
  6. Step 6: Final answer
    x = 14,805.19

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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.