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Finding the Fourth Proportional to 25,007, 37,481.28 and 13,908.44

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Solution

The fourth proportional to 25,007, 37,481.28 and 13,908.44 is: 20,846.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,007 : 37,481.28 = 13,908.44 : x
  2. Step 2: Convert to fraction form
    25,007/37,481.28 = 13,908.44/x
  3. Step 3: Cross multiply
    25,007x = 37,481.28 × 13,908.44
  4. Step 4: Simplify right side
    25,007x = 521,306,134.00
  5. Step 5: Solve for x
    x = 521,306,134.00/25,007
  6. Step 6: Final answer
    x = 20,846.41

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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.