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Finding the Fourth Proportional to 11,172.44, 16,750.68 and 5,246.01

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Solution

The fourth proportional to 11,172.44, 16,750.68 and 5,246.01 is: 7,865.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172.44 : 16,750.68 = 5,246.01 : x
  2. Step 2: Convert to fraction form
    11,172.44/16,750.68 = 5,246.01/x
  3. Step 3: Cross multiply
    11,172.44x = 16,750.68 × 5,246.01
  4. Step 4: Simplify right side
    11,172.44x = 87,874,234.79
  5. Step 5: Solve for x
    x = 87,874,234.79/11,172.44
  6. Step 6: Final answer
    x = 7,865.27

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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.