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Finding the Fourth Proportional to 17,906.02, 26,679.11 and 16,900

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Solution

The fourth proportional to 17,906.02, 26,679.11 and 16,900 is: 25,180.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,906.02 : 26,679.11 = 16,900 : x
  2. Step 2: Convert to fraction form
    17,906.02/26,679.11 = 16,900/x
  3. Step 3: Cross multiply
    17,906.02x = 26,679.11 × 16,900
  4. Step 4: Simplify right side
    17,906.02x = 450,876,959
  5. Step 5: Solve for x
    x = 450,876,959/17,906.02
  6. Step 6: Final answer
    x = 25,180.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.