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Finding the Fourth Proportional to 3,252.75, 4,472.17 and 2,647.68

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Solution

The fourth proportional to 3,252.75, 4,472.17 and 2,647.68 is: 3,640.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,252.75 : 4,472.17 = 2,647.68 : x
  2. Step 2: Convert to fraction form
    3,252.75/4,472.17 = 2,647.68/x
  3. Step 3: Cross multiply
    3,252.75x = 4,472.17 × 2,647.68
  4. Step 4: Simplify right side
    3,252.75x = 11,840,875.07
  5. Step 5: Solve for x
    x = 11,840,875.07/3,252.75
  6. Step 6: Final answer
    x = 3,640.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.