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Finding the Fourth Proportional to 18,252, 25,177.68 and 12,273.12

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Solution

The fourth proportional to 18,252, 25,177.68 and 12,273.12 is: 16,930.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,252 : 25,177.68 = 12,273.12 : x
  2. Step 2: Convert to fraction form
    18,252/25,177.68 = 12,273.12/x
  3. Step 3: Cross multiply
    18,252x = 25,177.68 × 12,273.12
  4. Step 4: Simplify right side
    18,252x = 309,008,687.96
  5. Step 5: Solve for x
    x = 309,008,687.96/18,252
  6. Step 6: Final answer
    x = 16,930.13

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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.