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Finding the Fourth Proportional to 12,481.54, 18,713.05 and 5,900.03

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Solution

The fourth proportional to 12,481.54, 18,713.05 and 5,900.03 is: 8,845.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481.54 : 18,713.05 = 5,900.03 : x
  2. Step 2: Convert to fraction form
    12,481.54/18,713.05 = 5,900.03/x
  3. Step 3: Cross multiply
    12,481.54x = 18,713.05 × 5,900.03
  4. Step 4: Simplify right side
    12,481.54x = 110,407,556.39
  5. Step 5: Solve for x
    x = 110,407,556.39/12,481.54
  6. Step 6: Final answer
    x = 8,845.67

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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.