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Finding the Fourth Proportional to 1,940.00, 2,910.02 and 1,076.13

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Solution

The fourth proportional to 1,940.00, 2,910.02 and 1,076.13 is: 1,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.00 : 2,910.02 = 1,076.13 : x
  2. Step 2: Convert to fraction form
    1,940.00/2,910.02 = 1,076.13/x
  3. Step 3: Cross multiply
    1,940.00x = 2,910.02 × 1,076.13
  4. Step 4: Simplify right side
    1,940.00x = 3,131,554.44
  5. Step 5: Solve for x
    x = 3,131,554.44/1,940.00
  6. Step 6: Final answer
    x = 1,614.21

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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.