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Finding the Fourth Proportional to 69,754.64, 104,570.56 and 27,664.27

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Solution

The fourth proportional to 69,754.64, 104,570.56 and 27,664.27 is: 41,472.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,754.64 : 104,570.56 = 27,664.27 : x
  2. Step 2: Convert to fraction form
    69,754.64/104,570.56 = 27,664.27/x
  3. Step 3: Cross multiply
    69,754.64x = 104,570.56 × 27,664.27
  4. Step 4: Simplify right side
    69,754.64x = 2,892,867,979.05
  5. Step 5: Solve for x
    x = 2,892,867,979.05/69,754.64
  6. Step 6: Final answer
    x = 41,472.05

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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.