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Finding the Fourth Proportional to 7,974.54, 11,958.71 and 2,350.98

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Solution

The fourth proportional to 7,974.54, 11,958.71 and 2,350.98 is: 3,525.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.54 : 11,958.71 = 2,350.98 : x
  2. Step 2: Convert to fraction form
    7,974.54/11,958.71 = 2,350.98/x
  3. Step 3: Cross multiply
    7,974.54x = 11,958.71 × 2,350.98
  4. Step 4: Simplify right side
    7,974.54x = 28,114,676.28
  5. Step 5: Solve for x
    x = 28,114,676.28/7,974.54
  6. Step 6: Final answer
    x = 3,525.55

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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.