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Finding the Fourth Proportional to 15,967.44, 23,940.11 and 7,077.91

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Solution

The fourth proportional to 15,967.44, 23,940.11 and 7,077.91 is: 10,611.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,967.44 : 23,940.11 = 7,077.91 : x
  2. Step 2: Convert to fraction form
    15,967.44/23,940.11 = 7,077.91/x
  3. Step 3: Cross multiply
    15,967.44x = 23,940.11 × 7,077.91
  4. Step 4: Simplify right side
    15,967.44x = 169,445,884.35
  5. Step 5: Solve for x
    x = 169,445,884.35/15,967.44
  6. Step 6: Final answer
    x = 10,611.97

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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.