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Finding the Fourth Proportional to 13,363.65, 20,048.92 and 4,003.29

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Solution

The fourth proportional to 13,363.65, 20,048.92 and 4,003.29 is: 6,005.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.65 : 20,048.92 = 4,003.29 : x
  2. Step 2: Convert to fraction form
    13,363.65/20,048.92 = 4,003.29/x
  3. Step 3: Cross multiply
    13,363.65x = 20,048.92 × 4,003.29
  4. Step 4: Simplify right side
    13,363.65x = 80,261,630.94
  5. Step 5: Solve for x
    x = 80,261,630.94/13,363.65
  6. Step 6: Final answer
    x = 6,005.97

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1.5x scale

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.