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Finding the Fourth Proportional to 6,660.63, 9,997.02 and 2,962.17

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Solution

The fourth proportional to 6,660.63, 9,997.02 and 2,962.17 is: 4,445.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.63 : 9,997.02 = 2,962.17 : x
  2. Step 2: Convert to fraction form
    6,660.63/9,997.02 = 2,962.17/x
  3. Step 3: Cross multiply
    6,660.63x = 9,997.02 × 2,962.17
  4. Step 4: Simplify right side
    6,660.63x = 29,612,872.73
  5. Step 5: Solve for x
    x = 29,612,872.73/6,660.63
  6. Step 6: Final answer
    x = 4,445.96

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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.