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Finding the Fourth Proportional to 10,481.00, 15,726.11 and 4,245.48

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Solution

The fourth proportional to 10,481.00, 15,726.11 and 4,245.48 is: 6,370.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,481.00 : 15,726.11 = 4,245.48 : x
  2. Step 2: Convert to fraction form
    10,481.00/15,726.11 = 4,245.48/x
  3. Step 3: Cross multiply
    10,481.00x = 15,726.11 × 4,245.48
  4. Step 4: Simplify right side
    10,481.00x = 66,764,864.26
  5. Step 5: Solve for x
    x = 66,764,864.26/10,481.00
  6. Step 6: Final answer
    x = 6,370.09

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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.