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Finding the Fourth Proportional to 69,864.84, 104,797.26 and 17,274.78

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Solution

The fourth proportional to 69,864.84, 104,797.26 and 17,274.78 is: 25,912.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,864.84 : 104,797.26 = 17,274.78 : x
  2. Step 2: Convert to fraction form
    69,864.84/104,797.26 = 17,274.78/x
  3. Step 3: Cross multiply
    69,864.84x = 104,797.26 × 17,274.78
  4. Step 4: Simplify right side
    69,864.84x = 1,810,349,611.10
  5. Step 5: Solve for x
    x = 1,810,349,611.10/69,864.84
  6. Step 6: Final answer
    x = 25,912.17

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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.