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Finding the Fourth Proportional to 11,809.33, 17,712.91 and 3,601.33

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Solution

The fourth proportional to 11,809.33, 17,712.91 and 3,601.33 is: 5,401.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,809.33 : 17,712.91 = 3,601.33 : x
  2. Step 2: Convert to fraction form
    11,809.33/17,712.91 = 3,601.33/x
  3. Step 3: Cross multiply
    11,809.33x = 17,712.91 × 3,601.33
  4. Step 4: Simplify right side
    11,809.33x = 63,790,034.17
  5. Step 5: Solve for x
    x = 63,790,034.17/11,809.33
  6. Step 6: Final answer
    x = 5,401.66

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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.