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Finding the Fourth Proportional to 1,174.44, 1,610.43 and 1,133.22

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Solution

The fourth proportional to 1,174.44, 1,610.43 and 1,133.22 is: 1,553.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174.44 : 1,610.43 = 1,133.22 : x
  2. Step 2: Convert to fraction form
    1,174.44/1,610.43 = 1,133.22/x
  3. Step 3: Cross multiply
    1,174.44x = 1,610.43 × 1,133.22
  4. Step 4: Simplify right side
    1,174.44x = 1,824,971.48
  5. Step 5: Solve for x
    x = 1,824,971.48/1,174.44
  6. Step 6: Final answer
    x = 1,553.91

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.