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Finding the Fourth Proportional to 8,944.59, 13,418.87 and 2,940.94

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Solution

The fourth proportional to 8,944.59, 13,418.87 and 2,940.94 is: 4,412.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,944.59 : 13,418.87 = 2,940.94 : x
  2. Step 2: Convert to fraction form
    8,944.59/13,418.87 = 2,940.94/x
  3. Step 3: Cross multiply
    8,944.59x = 13,418.87 × 2,940.94
  4. Step 4: Simplify right side
    8,944.59x = 39,464,024.44
  5. Step 5: Solve for x
    x = 39,464,024.44/8,944.59
  6. Step 6: Final answer
    x = 4,412.06

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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.