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Finding the Fourth Proportional to 13,481.01, 20,224.11 and 6,085.47

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Solution

The fourth proportional to 13,481.01, 20,224.11 and 6,085.47 is: 9,129.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,481.01 : 20,224.11 = 6,085.47 : x
  2. Step 2: Convert to fraction form
    13,481.01/20,224.11 = 6,085.47/x
  3. Step 3: Cross multiply
    13,481.01x = 20,224.11 × 6,085.47
  4. Step 4: Simplify right side
    13,481.01x = 123,073,119.80
  5. Step 5: Solve for x
    x = 123,073,119.80/13,481.01
  6. Step 6: Final answer
    x = 9,129.37

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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.