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Finding the Fourth Proportional to 1,194.60, 1,791.12 and 1,074.24

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Solution

The fourth proportional to 1,194.60, 1,791.12 and 1,074.24 is: 1,610.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.60 : 1,791.12 = 1,074.24 : x
  2. Step 2: Convert to fraction form
    1,194.60/1,791.12 = 1,074.24/x
  3. Step 3: Cross multiply
    1,194.60x = 1,791.12 × 1,074.24
  4. Step 4: Simplify right side
    1,194.60x = 1,924,092.75
  5. Step 5: Solve for x
    x = 1,924,092.75/1,194.60
  6. Step 6: Final answer
    x = 1,610.66

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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.