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Finding the Fourth Proportional to 11,809.26, 17,713.90 and 3,601.26

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Solution

The fourth proportional to 11,809.26, 17,713.90 and 3,601.26 is: 5,401.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,809.26 : 17,713.90 = 3,601.26 : x
  2. Step 2: Convert to fraction form
    11,809.26/17,713.90 = 3,601.26/x
  3. Step 3: Cross multiply
    11,809.26x = 17,713.90 × 3,601.26
  4. Step 4: Simplify right side
    11,809.26x = 63,792,359.51
  5. Step 5: Solve for x
    x = 63,792,359.51/11,809.26
  6. Step 6: Final answer
    x = 5,401.89

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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.