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Finding the Fourth Proportional to 10,997.63, 16,493.22 and 3,099.62

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Solution

The fourth proportional to 10,997.63, 16,493.22 and 3,099.62 is: 4,648.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,997.63 : 16,493.22 = 3,099.62 : x
  2. Step 2: Convert to fraction form
    10,997.63/16,493.22 = 3,099.62/x
  3. Step 3: Cross multiply
    10,997.63x = 16,493.22 × 3,099.62
  4. Step 4: Simplify right side
    10,997.63x = 51,122,714.58
  5. Step 5: Solve for x
    x = 51,122,714.58/10,997.63
  6. Step 6: Final answer
    x = 4,648.52

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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.