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Finding the Fourth Proportional to 4,576.73, 6,865.09 and 4,489.25

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Solution

The fourth proportional to 4,576.73, 6,865.09 and 4,489.25 is: 6,733.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,576.73 : 6,865.09 = 4,489.25 : x
  2. Step 2: Convert to fraction form
    4,576.73/6,865.09 = 4,489.25/x
  3. Step 3: Cross multiply
    4,576.73x = 6,865.09 × 4,489.25
  4. Step 4: Simplify right side
    4,576.73x = 30,819,059.73
  5. Step 5: Solve for x
    x = 30,819,059.73/4,576.73
  6. Step 6: Final answer
    x = 6,733.87

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Similar ratio
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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.