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Finding the Fourth Proportional to 5,906.32, 8,850.87 and 2,980.60

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Solution

The fourth proportional to 5,906.32, 8,850.87 and 2,980.60 is: 4,466.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,906.32 : 8,850.87 = 2,980.60 : x
  2. Step 2: Convert to fraction form
    5,906.32/8,850.87 = 2,980.60/x
  3. Step 3: Cross multiply
    5,906.32x = 8,850.87 × 2,980.60
  4. Step 4: Simplify right side
    5,906.32x = 26,380,880.99
  5. Step 5: Solve for x
    x = 26,380,880.99/5,906.32
  6. Step 6: Final answer
    x = 4,466.55

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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.