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Finding the Fourth Proportional to 69,796.41, 104,695.17 and 19,876.44

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Solution

The fourth proportional to 69,796.41, 104,695.17 and 19,876.44 is: 29,814.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,796.41 : 104,695.17 = 19,876.44 : x
  2. Step 2: Convert to fraction form
    69,796.41/104,695.17 = 19,876.44/x
  3. Step 3: Cross multiply
    69,796.41x = 104,695.17 × 19,876.44
  4. Step 4: Simplify right side
    69,796.41x = 2,080,967,264.79
  5. Step 5: Solve for x
    x = 2,080,967,264.79/69,796.41
  6. Step 6: Final answer
    x = 29,814.82

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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.