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Finding the Fourth Proportional to 18,662.09, 25,753.17 and 10,164.02

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Solution

The fourth proportional to 18,662.09, 25,753.17 and 10,164.02 is: 14,026.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,662.09 : 25,753.17 = 10,164.02 : x
  2. Step 2: Convert to fraction form
    18,662.09/25,753.17 = 10,164.02/x
  3. Step 3: Cross multiply
    18,662.09x = 25,753.17 × 10,164.02
  4. Step 4: Simplify right side
    18,662.09x = 261,755,809.50
  5. Step 5: Solve for x
    x = 261,755,809.50/18,662.09
  6. Step 6: Final answer
    x = 14,026.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.