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Finding the Fourth Proportional to 8,809.92, 13,211.04 and 2,964.96

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Solution

The fourth proportional to 8,809.92, 13,211.04 and 2,964.96 is: 4,446.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.92 : 13,211.04 = 2,964.96 : x
  2. Step 2: Convert to fraction form
    8,809.92/13,211.04 = 2,964.96/x
  3. Step 3: Cross multiply
    8,809.92x = 13,211.04 × 2,964.96
  4. Step 4: Simplify right side
    8,809.92x = 39,170,205.16
  5. Step 5: Solve for x
    x = 39,170,205.16/8,809.92
  6. Step 6: Final answer
    x = 4,446.15

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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.