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Finding the Fourth Proportional to 29,086.08, 43,629.12 and 7,198.08

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Solution

The fourth proportional to 29,086.08, 43,629.12 and 7,198.08 is: 10,797.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,086.08 : 43,629.12 = 7,198.08 : x
  2. Step 2: Convert to fraction form
    29,086.08/43,629.12 = 7,198.08/x
  3. Step 3: Cross multiply
    29,086.08x = 43,629.12 × 7,198.08
  4. Step 4: Simplify right side
    29,086.08x = 314,045,896.09
  5. Step 5: Solve for x
    x = 314,045,896.09/29,086.08
  6. Step 6: Final answer
    x = 10,797.12

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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.