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Finding the Fourth Proportional to 1,196.68, 1,651.74 and 699.52

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Solution

The fourth proportional to 1,196.68, 1,651.74 and 699.52 is: 965.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196.68 : 1,651.74 = 699.52 : x
  2. Step 2: Convert to fraction form
    1,196.68/1,651.74 = 699.52/x
  3. Step 3: Cross multiply
    1,196.68x = 1,651.74 × 699.52
  4. Step 4: Simplify right side
    1,196.68x = 1,155,425.16
  5. Step 5: Solve for x
    x = 1,155,425.16/1,196.68
  6. Step 6: Final answer
    x = 965.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.