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Finding the Fourth Proportional to 39,198, 58,806.77 and 11,496

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Solution

The fourth proportional to 39,198, 58,806.77 and 11,496 is: 17,246.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,198 : 58,806.77 = 11,496 : x
  2. Step 2: Convert to fraction form
    39,198/58,806.77 = 11,496/x
  3. Step 3: Cross multiply
    39,198x = 58,806.77 × 11,496
  4. Step 4: Simplify right side
    39,198x = 676,042,570.44
  5. Step 5: Solve for x
    x = 676,042,570.44/39,198
  6. Step 6: Final answer
    x = 17,246.86

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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.