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Finding the Fourth Proportional to 6,661.96, 9,994.16 and 2,766.67

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Solution

The fourth proportional to 6,661.96, 9,994.16 and 2,766.67 is: 4,150.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661.96 : 9,994.16 = 2,766.67 : x
  2. Step 2: Convert to fraction form
    6,661.96/9,994.16 = 2,766.67/x
  3. Step 3: Cross multiply
    6,661.96x = 9,994.16 × 2,766.67
  4. Step 4: Simplify right side
    6,661.96x = 27,650,542.65
  5. Step 5: Solve for x
    x = 27,650,542.65/6,661.96
  6. Step 6: Final answer
    x = 4,150.51

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1.5x scale

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.