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Finding the Fourth Proportional to 937.26, 1,292.22 and 674.82

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Solution

The fourth proportional to 937.26, 1,292.22 and 674.82 is: 930.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.26 : 1,292.22 = 674.82 : x
  2. Step 2: Convert to fraction form
    937.26/1,292.22 = 674.82/x
  3. Step 3: Cross multiply
    937.26x = 1,292.22 × 674.82
  4. Step 4: Simplify right side
    937.26x = 872,015.90
  5. Step 5: Solve for x
    x = 872,015.90/937.26
  6. Step 6: Final answer
    x = 930.39

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Double scale
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1.5x scale

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.