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Finding the Fourth Proportional to 55,231.30, 82,859.10 and 17,793.10

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Solution

The fourth proportional to 55,231.30, 82,859.10 and 17,793.10 is: 26,693.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,231.30 : 82,859.10 = 17,793.10 : x
  2. Step 2: Convert to fraction form
    55,231.30/82,859.10 = 17,793.10/x
  3. Step 3: Cross multiply
    55,231.30x = 82,859.10 × 17,793.10
  4. Step 4: Simplify right side
    55,231.30x = 1,474,320,252.21
  5. Step 5: Solve for x
    x = 1,474,320,252.21/55,231.30
  6. Step 6: Final answer
    x = 26,693.56

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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.