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Finding the Fourth Proportional to 17,937.48, 26,906.28 and 8,697

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Solution

The fourth proportional to 17,937.48, 26,906.28 and 8,697 is: 13,045.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,937.48 : 26,906.28 = 8,697 : x
  2. Step 2: Convert to fraction form
    17,937.48/26,906.28 = 8,697/x
  3. Step 3: Cross multiply
    17,937.48x = 26,906.28 × 8,697
  4. Step 4: Simplify right side
    17,937.48x = 234,003,917.16
  5. Step 5: Solve for x
    x = 234,003,917.16/17,937.48
  6. Step 6: Final answer
    x = 13,045.53

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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.