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Finding the Fourth Proportional to 69,896.40, 104,843.40 and 17,305.92

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Solution

The fourth proportional to 69,896.40, 104,843.40 and 17,305.92 is: 25,958.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,896.40 : 104,843.40 = 17,305.92 : x
  2. Step 2: Convert to fraction form
    69,896.40/104,843.40 = 17,305.92/x
  3. Step 3: Cross multiply
    69,896.40x = 104,843.40 × 17,305.92
  4. Step 4: Simplify right side
    69,896.40x = 1,814,411,492.93
  5. Step 5: Solve for x
    x = 1,814,411,492.93/69,896.40
  6. Step 6: Final answer
    x = 25,958.58

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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.