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Finding the Fourth Proportional to 29,099.56, 43,649.04 and 12,445.44

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Solution

The fourth proportional to 29,099.56, 43,649.04 and 12,445.44 is: 18,668.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,099.56 : 43,649.04 = 12,445.44 : x
  2. Step 2: Convert to fraction form
    29,099.56/43,649.04 = 12,445.44/x
  3. Step 3: Cross multiply
    29,099.56x = 43,649.04 × 12,445.44
  4. Step 4: Simplify right side
    29,099.56x = 543,231,508.38
  5. Step 5: Solve for x
    x = 543,231,508.38/29,099.56
  6. Step 6: Final answer
    x = 18,668.03

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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.