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Finding the Fourth Proportional to 6,635.15, 9,947.90 and 3,350.58

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Solution

The fourth proportional to 6,635.15, 9,947.90 and 3,350.58 is: 5,023.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,635.15 : 9,947.90 = 3,350.58 : x
  2. Step 2: Convert to fraction form
    6,635.15/9,947.90 = 3,350.58/x
  3. Step 3: Cross multiply
    6,635.15x = 9,947.90 × 3,350.58
  4. Step 4: Simplify right side
    6,635.15x = 33,331,243.16
  5. Step 5: Solve for x
    x = 33,331,243.16/6,635.15
  6. Step 6: Final answer
    x = 5,023.43

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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.