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Finding the Fourth Proportional to 1,104.44, 1,523.97 and 662.25

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Solution

The fourth proportional to 1,104.44, 1,523.97 and 662.25 is: 913.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104.44 : 1,523.97 = 662.25 : x
  2. Step 2: Convert to fraction form
    1,104.44/1,523.97 = 662.25/x
  3. Step 3: Cross multiply
    1,104.44x = 1,523.97 × 662.25
  4. Step 4: Simplify right side
    1,104.44x = 1,009,249.13
  5. Step 5: Solve for x
    x = 1,009,249.13/1,104.44
  6. Step 6: Final answer
    x = 913.81

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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.