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Finding the Fourth Proportional to 4,611.44, 6,917.19 and 1,148.69

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Solution

The fourth proportional to 4,611.44, 6,917.19 and 1,148.69 is: 1,723.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,611.44 : 6,917.19 = 1,148.69 : x
  2. Step 2: Convert to fraction form
    4,611.44/6,917.19 = 1,148.69/x
  3. Step 3: Cross multiply
    4,611.44x = 6,917.19 × 1,148.69
  4. Step 4: Simplify right side
    4,611.44x = 7,945,706.98
  5. Step 5: Solve for x
    x = 7,945,706.98/4,611.44
  6. Step 6: Final answer
    x = 1,723.04

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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.