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Finding the Fourth Proportional to 4,502.70, 6,745.95 and 4,231.62

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Solution

The fourth proportional to 4,502.70, 6,745.95 and 4,231.62 is: 6,339.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,502.70 : 6,745.95 = 4,231.62 : x
  2. Step 2: Convert to fraction form
    4,502.70/6,745.95 = 4,231.62/x
  3. Step 3: Cross multiply
    4,502.70x = 6,745.95 × 4,231.62
  4. Step 4: Simplify right side
    4,502.70x = 28,546,296.94
  5. Step 5: Solve for x
    x = 28,546,296.94/4,502.70
  6. Step 6: Final answer
    x = 6,339.82

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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.