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Finding the Fourth Proportional to 44,638.52, 66,983.74 and 20,014.52

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Solution

The fourth proportional to 44,638.52, 66,983.74 and 20,014.52 is: 30,033.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,638.52 : 66,983.74 = 20,014.52 : x
  2. Step 2: Convert to fraction form
    44,638.52/66,983.74 = 20,014.52/x
  3. Step 3: Cross multiply
    44,638.52x = 66,983.74 × 20,014.52
  4. Step 4: Simplify right side
    44,638.52x = 1,340,647,403.90
  5. Step 5: Solve for x
    x = 1,340,647,403.90/44,638.52
  6. Step 6: Final answer
    x = 30,033.42

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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.