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Finding the Fourth Proportional to 3,761.56, 5,635.05 and 3,451.75

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Solution

The fourth proportional to 3,761.56, 5,635.05 and 3,451.75 is: 5,170.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.56 : 5,635.05 = 3,451.75 : x
  2. Step 2: Convert to fraction form
    3,761.56/5,635.05 = 3,451.75/x
  3. Step 3: Cross multiply
    3,761.56x = 5,635.05 × 3,451.75
  4. Step 4: Simplify right side
    3,761.56x = 19,450,783.84
  5. Step 5: Solve for x
    x = 19,450,783.84/3,761.56
  6. Step 6: Final answer
    x = 5,170.94

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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.