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Finding the Fourth Proportional to 1,092.26, 1,498.84 and 993.26

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Solution

The fourth proportional to 1,092.26, 1,498.84 and 993.26 is: 1,362.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092.26 : 1,498.84 = 993.26 : x
  2. Step 2: Convert to fraction form
    1,092.26/1,498.84 = 993.26/x
  3. Step 3: Cross multiply
    1,092.26x = 1,498.84 × 993.26
  4. Step 4: Simplify right side
    1,092.26x = 1,488,725.36
  5. Step 5: Solve for x
    x = 1,488,725.36/1,092.26
  6. Step 6: Final answer
    x = 1,362.98

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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.