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Finding the Fourth Proportional to 4,986.14, 7,483.79 and 2,522.68

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Solution

The fourth proportional to 4,986.14, 7,483.79 and 2,522.68 is: 3,786.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.14 : 7,483.79 = 2,522.68 : x
  2. Step 2: Convert to fraction form
    4,986.14/7,483.79 = 2,522.68/x
  3. Step 3: Cross multiply
    4,986.14x = 7,483.79 × 2,522.68
  4. Step 4: Simplify right side
    4,986.14x = 18,879,194.95
  5. Step 5: Solve for x
    x = 18,879,194.95/4,986.14
  6. Step 6: Final answer
    x = 3,786.34

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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.