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Finding the Fourth Proportional to 5,296.69, 7,944.60 and 1,786.62

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Solution

The fourth proportional to 5,296.69, 7,944.60 and 1,786.62 is: 2,679.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,296.69 : 7,944.60 = 1,786.62 : x
  2. Step 2: Convert to fraction form
    5,296.69/7,944.60 = 1,786.62/x
  3. Step 3: Cross multiply
    5,296.69x = 7,944.60 × 1,786.62
  4. Step 4: Simplify right side
    5,296.69x = 14,194,017.74
  5. Step 5: Solve for x
    x = 14,194,017.74/5,296.69
  6. Step 6: Final answer
    x = 2,679.79

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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.