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Finding the Fourth Proportional to 55,274.70, 82,891.80 and 17,844.60

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Solution

The fourth proportional to 55,274.70, 82,891.80 and 17,844.60 is: 26,760.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,274.70 : 82,891.80 = 17,844.60 : x
  2. Step 2: Convert to fraction form
    55,274.70/82,891.80 = 17,844.60/x
  3. Step 3: Cross multiply
    55,274.70x = 82,891.80 × 17,844.60
  4. Step 4: Simplify right side
    55,274.70x = 1,479,171,014.28
  5. Step 5: Solve for x
    x = 1,479,171,014.28/55,274.70
  6. Step 6: Final answer
    x = 26,760.36

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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.