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Finding the Fourth Proportional to 8,252.70, 12,380.22 and 2,409.30

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Solution

The fourth proportional to 8,252.70, 12,380.22 and 2,409.30 is: 3,614.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252.70 : 12,380.22 = 2,409.30 : x
  2. Step 2: Convert to fraction form
    8,252.70/12,380.22 = 2,409.30/x
  3. Step 3: Cross multiply
    8,252.70x = 12,380.22 × 2,409.30
  4. Step 4: Simplify right side
    8,252.70x = 29,827,664.05
  5. Step 5: Solve for x
    x = 29,827,664.05/8,252.70
  6. Step 6: Final answer
    x = 3,614.29

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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.