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Finding the Fourth Proportional to 23,968.67, 35,958.02 and 8,172.45

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Solution

The fourth proportional to 23,968.67, 35,958.02 and 8,172.45 is: 12,260.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,968.67 : 35,958.02 = 8,172.45 : x
  2. Step 2: Convert to fraction form
    23,968.67/35,958.02 = 8,172.45/x
  3. Step 3: Cross multiply
    23,968.67x = 35,958.02 × 8,172.45
  4. Step 4: Simplify right side
    23,968.67x = 293,865,079.69
  5. Step 5: Solve for x
    x = 293,865,079.69/23,968.67
  6. Step 6: Final answer
    x = 12,260.39

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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.