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Finding the Fourth Proportional to 36,558.80, 54,825.40 and 19,022.80

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Solution

The fourth proportional to 36,558.80, 54,825.40 and 19,022.80 is: 28,527.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,558.80 : 54,825.40 = 19,022.80 : x
  2. Step 2: Convert to fraction form
    36,558.80/54,825.40 = 19,022.80/x
  3. Step 3: Cross multiply
    36,558.80x = 54,825.40 × 19,022.80
  4. Step 4: Simplify right side
    36,558.80x = 1,042,932,619.12
  5. Step 5: Solve for x
    x = 1,042,932,619.12/36,558.80
  6. Step 6: Final answer
    x = 28,527.54

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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.