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Finding the Fourth Proportional to 1,194.12, 1,647.95 and 795.09

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Solution

The fourth proportional to 1,194.12, 1,647.95 and 795.09 is: 1,097.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.12 : 1,647.95 = 795.09 : x
  2. Step 2: Convert to fraction form
    1,194.12/1,647.95 = 795.09/x
  3. Step 3: Cross multiply
    1,194.12x = 1,647.95 × 795.09
  4. Step 4: Simplify right side
    1,194.12x = 1,310,268.57
  5. Step 5: Solve for x
    x = 1,310,268.57/1,194.12
  6. Step 6: Final answer
    x = 1,097.27

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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.