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Finding the Fourth Proportional to 69,753.06, 104,613.81 and 19,832.06

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Solution

The fourth proportional to 69,753.06, 104,613.81 and 19,832.06 is: 29,743.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,753.06 : 104,613.81 = 19,832.06 : x
  2. Step 2: Convert to fraction form
    69,753.06/104,613.81 = 19,832.06/x
  3. Step 3: Cross multiply
    69,753.06x = 104,613.81 × 19,832.06
  4. Step 4: Simplify right side
    69,753.06x = 2,074,706,833.68
  5. Step 5: Solve for x
    x = 2,074,706,833.68/69,753.06
  6. Step 6: Final answer
    x = 29,743.60

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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.