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Finding the Fourth Proportional to 6,776.56, 10,164.72 and 2,672.56

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Solution

The fourth proportional to 6,776.56, 10,164.72 and 2,672.56 is: 4,008.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,776.56 : 10,164.72 = 2,672.56 : x
  2. Step 2: Convert to fraction form
    6,776.56/10,164.72 = 2,672.56/x
  3. Step 3: Cross multiply
    6,776.56x = 10,164.72 × 2,672.56
  4. Step 4: Simplify right side
    6,776.56x = 27,165,824.08
  5. Step 5: Solve for x
    x = 27,165,824.08/6,776.56
  6. Step 6: Final answer
    x = 4,008.79

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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.