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Finding the Fourth Proportional to 5,672.88, 8,491.07 and 3,033.78

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Solution

The fourth proportional to 5,672.88, 8,491.07 and 3,033.78 is: 4,540.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.88 : 8,491.07 = 3,033.78 : x
  2. Step 2: Convert to fraction form
    5,672.88/8,491.07 = 3,033.78/x
  3. Step 3: Cross multiply
    5,672.88x = 8,491.07 × 3,033.78
  4. Step 4: Simplify right side
    5,672.88x = 25,760,023.18
  5. Step 5: Solve for x
    x = 25,760,023.18/5,672.88
  6. Step 6: Final answer
    x = 4,540.91

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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.