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Finding the Fourth Proportional to 11,809.08, 17,712.54 and 3,601.08

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Solution

The fourth proportional to 11,809.08, 17,712.54 and 3,601.08 is: 5,401.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,809.08 : 17,712.54 = 3,601.08 : x
  2. Step 2: Convert to fraction form
    11,809.08/17,712.54 = 3,601.08/x
  3. Step 3: Cross multiply
    11,809.08x = 17,712.54 × 3,601.08
  4. Step 4: Simplify right side
    11,809.08x = 63,784,273.54
  5. Step 5: Solve for x
    x = 63,784,273.54/11,809.08
  6. Step 6: Final answer
    x = 5,401.29

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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.