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Finding the Fourth Proportional to 6,665.01, 9,995.41 and 2,768.50

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Solution

The fourth proportional to 6,665.01, 9,995.41 and 2,768.50 is: 4,151.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.01 : 9,995.41 = 2,768.50 : x
  2. Step 2: Convert to fraction form
    6,665.01/9,995.41 = 2,768.50/x
  3. Step 3: Cross multiply
    6,665.01x = 9,995.41 × 2,768.50
  4. Step 4: Simplify right side
    6,665.01x = 27,672,292.59
  5. Step 5: Solve for x
    x = 27,672,292.59/6,665.01
  6. Step 6: Final answer
    x = 4,151.88

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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.