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Finding the Fourth Proportional to 8,809.82, 13,206.46 and 2,962.34

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Solution

The fourth proportional to 8,809.82, 13,206.46 and 2,962.34 is: 4,440.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.82 : 13,206.46 = 2,962.34 : x
  2. Step 2: Convert to fraction form
    8,809.82/13,206.46 = 2,962.34/x
  3. Step 3: Cross multiply
    8,809.82x = 13,206.46 × 2,962.34
  4. Step 4: Simplify right side
    8,809.82x = 39,122,024.72
  5. Step 5: Solve for x
    x = 39,122,024.72/8,809.82
  6. Step 6: Final answer
    x = 4,440.73

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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.