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Finding the Fourth Proportional to 29,802.44, 41,115.60 and 19,198.20

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Solution

The fourth proportional to 29,802.44, 41,115.60 and 19,198.20 is: 26,485.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,802.44 : 41,115.60 = 19,198.20 : x
  2. Step 2: Convert to fraction form
    29,802.44/41,115.60 = 19,198.20/x
  3. Step 3: Cross multiply
    29,802.44x = 41,115.60 × 19,198.20
  4. Step 4: Simplify right side
    29,802.44x = 789,345,511.92
  5. Step 5: Solve for x
    x = 789,345,511.92/29,802.44
  6. Step 6: Final answer
    x = 26,485.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.