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Finding the Fourth Proportional to 6,635.78, 9,947.46 and 2,250.14

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Solution

The fourth proportional to 6,635.78, 9,947.46 and 2,250.14 is: 3,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,635.78 : 9,947.46 = 2,250.14 : x
  2. Step 2: Convert to fraction form
    6,635.78/9,947.46 = 2,250.14/x
  3. Step 3: Cross multiply
    6,635.78x = 9,947.46 × 2,250.14
  4. Step 4: Simplify right side
    6,635.78x = 22,383,177.64
  5. Step 5: Solve for x
    x = 22,383,177.64/6,635.78
  6. Step 6: Final answer
    x = 3,373.10

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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.