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Finding the Fourth Proportional to 848.26, 1,170.83 and 796.63

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Solution

The fourth proportional to 848.26, 1,170.83 and 796.63 is: 1,099.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.26 : 1,170.83 = 796.63 : x
  2. Step 2: Convert to fraction form
    848.26/1,170.83 = 796.63/x
  3. Step 3: Cross multiply
    848.26x = 1,170.83 × 796.63
  4. Step 4: Simplify right side
    848.26x = 932,714.32
  5. Step 5: Solve for x
    x = 932,714.32/848.26
  6. Step 6: Final answer
    x = 1,099.56

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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.