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Finding the Fourth Proportional to 18,559.52, 27,839.26 and 4,519.54

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Solution

The fourth proportional to 18,559.52, 27,839.26 and 4,519.54 is: 6,779.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,559.52 : 27,839.26 = 4,519.54 : x
  2. Step 2: Convert to fraction form
    18,559.52/27,839.26 = 4,519.54/x
  3. Step 3: Cross multiply
    18,559.52x = 27,839.26 × 4,519.54
  4. Step 4: Simplify right side
    18,559.52x = 125,820,649.14
  5. Step 5: Solve for x
    x = 125,820,649.14/18,559.52
  6. Step 6: Final answer
    x = 6,779.31

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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.