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Finding the Fourth Proportional to 60,576.44, 90,879.30 and 19,023.44

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Solution

The fourth proportional to 60,576.44, 90,879.30 and 19,023.44 is: 28,539.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,576.44 : 90,879.30 = 19,023.44 : x
  2. Step 2: Convert to fraction form
    60,576.44/90,879.30 = 19,023.44/x
  3. Step 3: Cross multiply
    60,576.44x = 90,879.30 × 19,023.44
  4. Step 4: Simplify right side
    60,576.44x = 1,728,836,456.40
  5. Step 5: Solve for x
    x = 1,728,836,456.40/60,576.44
  6. Step 6: Final answer
    x = 28,539.75

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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.