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Finding the Fourth Proportional to 2,296, 3,443.64 and 1,908.49

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Solution

The fourth proportional to 2,296, 3,443.64 and 1,908.49 is: 2,862.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,296 : 3,443.64 = 1,908.49 : x
  2. Step 2: Convert to fraction form
    2,296/3,443.64 = 1,908.49/x
  3. Step 3: Cross multiply
    2,296x = 3,443.64 × 1,908.49
  4. Step 4: Simplify right side
    2,296x = 6,572,152.50
  5. Step 5: Solve for x
    x = 6,572,152.50/2,296
  6. Step 6: Final answer
    x = 2,862.44

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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.