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Finding the Fourth Proportional to 793.08, 1,093.38 and 674.58

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Solution

The fourth proportional to 793.08, 1,093.38 and 674.58 is: 930.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.08 : 1,093.38 = 674.58 : x
  2. Step 2: Convert to fraction form
    793.08/1,093.38 = 674.58/x
  3. Step 3: Cross multiply
    793.08x = 1,093.38 × 674.58
  4. Step 4: Simplify right side
    793.08x = 737,572.28
  5. Step 5: Solve for x
    x = 737,572.28/793.08
  6. Step 6: Final answer
    x = 930.01

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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.