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Finding the Fourth Proportional to 1,999.36, 2,996.22 and 1,505.44

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Solution

The fourth proportional to 1,999.36, 2,996.22 and 1,505.44 is: 2,256.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999.36 : 2,996.22 = 1,505.44 : x
  2. Step 2: Convert to fraction form
    1,999.36/2,996.22 = 1,505.44/x
  3. Step 3: Cross multiply
    1,999.36x = 2,996.22 × 1,505.44
  4. Step 4: Simplify right side
    1,999.36x = 4,510,629.44
  5. Step 5: Solve for x
    x = 4,510,629.44/1,999.36
  6. Step 6: Final answer
    x = 2,256.04

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1.5x scale

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.