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Finding the Fourth Proportional to 8,236.16, 12,354 and 3,304.48

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Solution

The fourth proportional to 8,236.16, 12,354 and 3,304.48 is: 4,956.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.16 : 12,354 = 3,304.48 : x
  2. Step 2: Convert to fraction form
    8,236.16/12,354 = 3,304.48/x
  3. Step 3: Cross multiply
    8,236.16x = 12,354 × 3,304.48
  4. Step 4: Simplify right side
    8,236.16x = 40,823,545.92
  5. Step 5: Solve for x
    x = 40,823,545.92/8,236.16
  6. Step 6: Final answer
    x = 4,956.62

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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.