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Finding the Fourth Proportional to 69,786.48, 104,679.18 and 23,039.22

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Solution

The fourth proportional to 69,786.48, 104,679.18 and 23,039.22 is: 34,558.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,786.48 : 104,679.18 = 23,039.22 : x
  2. Step 2: Convert to fraction form
    69,786.48/104,679.18 = 23,039.22/x
  3. Step 3: Cross multiply
    69,786.48x = 104,679.18 × 23,039.22
  4. Step 4: Simplify right side
    69,786.48x = 2,411,726,657.44
  5. Step 5: Solve for x
    x = 2,411,726,657.44/69,786.48
  6. Step 6: Final answer
    x = 34,558.65

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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.