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Finding the Fourth Proportional to 9,003.57, 13,472.46 and 5,480.73

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Solution

The fourth proportional to 9,003.57, 13,472.46 and 5,480.73 is: 8,201.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,003.57 : 13,472.46 = 5,480.73 : x
  2. Step 2: Convert to fraction form
    9,003.57/13,472.46 = 5,480.73/x
  3. Step 3: Cross multiply
    9,003.57x = 13,472.46 × 5,480.73
  4. Step 4: Simplify right side
    9,003.57x = 73,838,915.70
  5. Step 5: Solve for x
    x = 73,838,915.70/9,003.57
  6. Step 6: Final answer
    x = 8,201.07

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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.