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Finding the Fourth Proportional to 6,664.98, 9,997.20 and 2,504.64

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Solution

The fourth proportional to 6,664.98, 9,997.20 and 2,504.64 is: 3,756.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.98 : 9,997.20 = 2,504.64 : x
  2. Step 2: Convert to fraction form
    6,664.98/9,997.20 = 2,504.64/x
  3. Step 3: Cross multiply
    6,664.98x = 9,997.20 × 2,504.64
  4. Step 4: Simplify right side
    6,664.98x = 25,039,387.01
  5. Step 5: Solve for x
    x = 25,039,387.01/6,664.98
  6. Step 6: Final answer
    x = 3,756.86

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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.