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Finding the Fourth Proportional to 8,992.09, 13,489.67 and 2,751.95

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Solution

The fourth proportional to 8,992.09, 13,489.67 and 2,751.95 is: 4,128.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992.09 : 13,489.67 = 2,751.95 : x
  2. Step 2: Convert to fraction form
    8,992.09/13,489.67 = 2,751.95/x
  3. Step 3: Cross multiply
    8,992.09x = 13,489.67 × 2,751.95
  4. Step 4: Simplify right side
    8,992.09x = 37,122,836.79
  5. Step 5: Solve for x
    x = 37,122,836.79/8,992.09
  6. Step 6: Final answer
    x = 4,128.39

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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.