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Finding the Fourth Proportional to 1,092.05, 1,634.23 and 894.68

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Solution

The fourth proportional to 1,092.05, 1,634.23 and 894.68 is: 1,338.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092.05 : 1,634.23 = 894.68 : x
  2. Step 2: Convert to fraction form
    1,092.05/1,634.23 = 894.68/x
  3. Step 3: Cross multiply
    1,092.05x = 1,634.23 × 894.68
  4. Step 4: Simplify right side
    1,092.05x = 1,462,110.66
  5. Step 5: Solve for x
    x = 1,462,110.66/1,092.05
  6. Step 6: Final answer
    x = 1,338.87

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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.