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Finding the Fourth Proportional to 1,194.62, 1,648.62 and 795.60

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Solution

The fourth proportional to 1,194.62, 1,648.62 and 795.60 is: 1,097.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.62 : 1,648.62 = 795.60 : x
  2. Step 2: Convert to fraction form
    1,194.62/1,648.62 = 795.60/x
  3. Step 3: Cross multiply
    1,194.62x = 1,648.62 × 795.60
  4. Step 4: Simplify right side
    1,194.62x = 1,311,642.07
  5. Step 5: Solve for x
    x = 1,311,642.07/1,194.62
  6. Step 6: Final answer
    x = 1,097.96

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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.