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Finding the Fourth Proportional to 2,896.50, 3,997.44 and 1,654.50

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Solution

The fourth proportional to 2,896.50, 3,997.44 and 1,654.50 is: 2,283.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.50 : 3,997.44 = 1,654.50 : x
  2. Step 2: Convert to fraction form
    2,896.50/3,997.44 = 1,654.50/x
  3. Step 3: Cross multiply
    2,896.50x = 3,997.44 × 1,654.50
  4. Step 4: Simplify right side
    2,896.50x = 6,613,764.48
  5. Step 5: Solve for x
    x = 6,613,764.48/2,896.50
  6. Step 6: Final answer
    x = 2,283.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.