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Finding the Fourth Proportional to 6,652.20, 9,974.90 and 2,955.56

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Solution

The fourth proportional to 6,652.20, 9,974.90 and 2,955.56 is: 4,431.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,652.20 : 9,974.90 = 2,955.56 : x
  2. Step 2: Convert to fraction form
    6,652.20/9,974.90 = 2,955.56/x
  3. Step 3: Cross multiply
    6,652.20x = 9,974.90 × 2,955.56
  4. Step 4: Simplify right side
    6,652.20x = 29,481,415.44
  5. Step 5: Solve for x
    x = 29,481,415.44/6,652.20
  6. Step 6: Final answer
    x = 4,431.83

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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.