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Finding the Fourth Proportional to 3,238.22, 4,856.11 and 1,505.63

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Solution

The fourth proportional to 3,238.22, 4,856.11 and 1,505.63 is: 2,257.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.22 : 4,856.11 = 1,505.63 : x
  2. Step 2: Convert to fraction form
    3,238.22/4,856.11 = 1,505.63/x
  3. Step 3: Cross multiply
    3,238.22x = 4,856.11 × 1,505.63
  4. Step 4: Simplify right side
    3,238.22x = 7,311,476.85
  5. Step 5: Solve for x
    x = 7,311,476.85/3,238.22
  6. Step 6: Final answer
    x = 2,257.87

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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.