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Finding the Fourth Proportional to 5,751.09, 8,620.48 and 2,974.97

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Solution

The fourth proportional to 5,751.09, 8,620.48 and 2,974.97 is: 4,459.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,751.09 : 8,620.48 = 2,974.97 : x
  2. Step 2: Convert to fraction form
    5,751.09/8,620.48 = 2,974.97/x
  3. Step 3: Cross multiply
    5,751.09x = 8,620.48 × 2,974.97
  4. Step 4: Simplify right side
    5,751.09x = 25,645,669.39
  5. Step 5: Solve for x
    x = 25,645,669.39/5,751.09
  6. Step 6: Final answer
    x = 4,459.27

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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.