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Finding the Fourth Proportional to 4,806.73, 7,205.15 and 3,487.20

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Solution

The fourth proportional to 4,806.73, 7,205.15 and 3,487.20 is: 5,227.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,806.73 : 7,205.15 = 3,487.20 : x
  2. Step 2: Convert to fraction form
    4,806.73/7,205.15 = 3,487.20/x
  3. Step 3: Cross multiply
    4,806.73x = 7,205.15 × 3,487.20
  4. Step 4: Simplify right side
    4,806.73x = 25,125,745.62
  5. Step 5: Solve for x
    x = 25,125,745.62/4,806.73
  6. Step 6: Final answer
    x = 5,227.20

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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.