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Finding the Fourth Proportional to 1,196.37, 1,651.59 and 798.69

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Solution

The fourth proportional to 1,196.37, 1,651.59 and 798.69 is: 1,102.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196.37 : 1,651.59 = 798.69 : x
  2. Step 2: Convert to fraction form
    1,196.37/1,651.59 = 798.69/x
  3. Step 3: Cross multiply
    1,196.37x = 1,651.59 × 798.69
  4. Step 4: Simplify right side
    1,196.37x = 1,319,108.42
  5. Step 5: Solve for x
    x = 1,319,108.42/1,196.37
  6. Step 6: Final answer
    x = 1,102.59

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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.