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Finding the Fourth Proportional to 7,305.20, 10,954.05 and 3,353.05

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Solution

The fourth proportional to 7,305.20, 10,954.05 and 3,353.05 is: 5,027.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305.20 : 10,954.05 = 3,353.05 : x
  2. Step 2: Convert to fraction form
    7,305.20/10,954.05 = 3,353.05/x
  3. Step 3: Cross multiply
    7,305.20x = 10,954.05 × 3,353.05
  4. Step 4: Simplify right side
    7,305.20x = 36,729,478.47
  5. Step 5: Solve for x
    x = 36,729,478.47/7,305.20
  6. Step 6: Final answer
    x = 5,027.85

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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.