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Finding the Fourth Proportional to 10,207.44, 15,274.68 and 8,001

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Solution

The fourth proportional to 10,207.44, 15,274.68 and 8,001 is: 11,972.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207.44 : 15,274.68 = 8,001 : x
  2. Step 2: Convert to fraction form
    10,207.44/15,274.68 = 8,001/x
  3. Step 3: Cross multiply
    10,207.44x = 15,274.68 × 8,001
  4. Step 4: Simplify right side
    10,207.44x = 122,212,714.68
  5. Step 5: Solve for x
    x = 122,212,714.68/10,207.44
  6. Step 6: Final answer
    x = 11,972.91

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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.