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Finding the Fourth Proportional to 36,806.63, 55,220.99 and 11,505.11

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Solution

The fourth proportional to 36,806.63, 55,220.99 and 11,505.11 is: 17,261.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,806.63 : 55,220.99 = 11,505.11 : x
  2. Step 2: Convert to fraction form
    36,806.63/55,220.99 = 11,505.11/x
  3. Step 3: Cross multiply
    36,806.63x = 55,220.99 × 11,505.11
  4. Step 4: Simplify right side
    36,806.63x = 635,323,230.63
  5. Step 5: Solve for x
    x = 635,323,230.63/36,806.63
  6. Step 6: Final answer
    x = 17,261.11

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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.