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Finding the Fourth Proportional to 1,194.54, 1,649.03 and 796.87

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Solution

The fourth proportional to 1,194.54, 1,649.03 and 796.87 is: 1,100.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.54 : 1,649.03 = 796.87 : x
  2. Step 2: Convert to fraction form
    1,194.54/1,649.03 = 796.87/x
  3. Step 3: Cross multiply
    1,194.54x = 1,649.03 × 796.87
  4. Step 4: Simplify right side
    1,194.54x = 1,314,050.31
  5. Step 5: Solve for x
    x = 1,314,050.31/1,194.54
  6. Step 6: Final answer
    x = 1,100.05

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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.