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Finding the Fourth Proportional to 6,661.92, 9,984.67 and 2,274.25

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Solution

The fourth proportional to 6,661.92, 9,984.67 and 2,274.25 is: 3,408.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661.92 : 9,984.67 = 2,274.25 : x
  2. Step 2: Convert to fraction form
    6,661.92/9,984.67 = 2,274.25/x
  3. Step 3: Cross multiply
    6,661.92x = 9,984.67 × 2,274.25
  4. Step 4: Simplify right side
    6,661.92x = 22,707,635.75
  5. Step 5: Solve for x
    x = 22,707,635.75/6,661.92
  6. Step 6: Final answer
    x = 3,408.57

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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.