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Finding the Fourth Proportional to 13,363.48, 20,048.46 and 4,003.48

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Solution

The fourth proportional to 13,363.48, 20,048.46 and 4,003.48 is: 6,006.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.48 : 20,048.46 = 4,003.48 : x
  2. Step 2: Convert to fraction form
    13,363.48/20,048.46 = 4,003.48/x
  3. Step 3: Cross multiply
    13,363.48x = 20,048.46 × 4,003.48
  4. Step 4: Simplify right side
    13,363.48x = 80,263,608.64
  5. Step 5: Solve for x
    x = 80,263,608.64/13,363.48
  6. Step 6: Final answer
    x = 6,006.19

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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.