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Finding the Fourth Proportional to 69,371.74, 104,053.97 and 19,455.29

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Solution

The fourth proportional to 69,371.74, 104,053.97 and 19,455.29 is: 29,181.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,371.74 : 104,053.97 = 19,455.29 : x
  2. Step 2: Convert to fraction form
    69,371.74/104,053.97 = 19,455.29/x
  3. Step 3: Cross multiply
    69,371.74x = 104,053.97 × 19,455.29
  4. Step 4: Simplify right side
    69,371.74x = 2,024,399,971.14
  5. Step 5: Solve for x
    x = 2,024,399,971.14/69,371.74
  6. Step 6: Final answer
    x = 29,181.91

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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.