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Finding the Fourth Proportional to 69,498.58, 104,253.99 and 19,579.09

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Solution

The fourth proportional to 69,498.58, 104,253.99 and 19,579.09 is: 29,370.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,498.58 : 104,253.99 = 19,579.09 : x
  2. Step 2: Convert to fraction form
    69,498.58/104,253.99 = 19,579.09/x
  3. Step 3: Cross multiply
    69,498.58x = 104,253.99 × 19,579.09
  4. Step 4: Simplify right side
    69,498.58x = 2,041,198,253.07
  5. Step 5: Solve for x
    x = 2,041,198,253.07/69,498.58
  6. Step 6: Final answer
    x = 29,370.36

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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.