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Finding the Fourth Proportional to 1,194.03, 1,791.05 and 1,130.85

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Solution

The fourth proportional to 1,194.03, 1,791.05 and 1,130.85 is: 1,696.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.03 : 1,791.05 = 1,130.85 : x
  2. Step 2: Convert to fraction form
    1,194.03/1,791.05 = 1,130.85/x
  3. Step 3: Cross multiply
    1,194.03x = 1,791.05 × 1,130.85
  4. Step 4: Simplify right side
    1,194.03x = 2,025,403.24
  5. Step 5: Solve for x
    x = 2,025,403.24/1,194.03
  6. Step 6: Final answer
    x = 1,696.28

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.