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Finding the Fourth Proportional to 6,611.87, 9,912.62 and 3,441.65

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Solution

The fourth proportional to 6,611.87, 9,912.62 and 3,441.65 is: 5,159.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,611.87 : 9,912.62 = 3,441.65 : x
  2. Step 2: Convert to fraction form
    6,611.87/9,912.62 = 3,441.65/x
  3. Step 3: Cross multiply
    6,611.87x = 9,912.62 × 3,441.65
  4. Step 4: Simplify right side
    6,611.87x = 34,115,727.66
  5. Step 5: Solve for x
    x = 34,115,727.66/6,611.87
  6. Step 6: Final answer
    x = 5,159.77

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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.