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Finding the Fourth Proportional to 69,672.36, 104,510.52 and 17,081.80

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Solution

The fourth proportional to 69,672.36, 104,510.52 and 17,081.80 is: 25,623.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,672.36 : 104,510.52 = 17,081.80 : x
  2. Step 2: Convert to fraction form
    69,672.36/104,510.52 = 17,081.80/x
  3. Step 3: Cross multiply
    69,672.36x = 104,510.52 × 17,081.80
  4. Step 4: Simplify right side
    69,672.36x = 1,785,227,800.54
  5. Step 5: Solve for x
    x = 1,785,227,800.54/69,672.36
  6. Step 6: Final answer
    x = 25,623.19

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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.