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Finding the Fourth Proportional to 5,794.60, 8,696.70 and 2,679.40

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Solution

The fourth proportional to 5,794.60, 8,696.70 and 2,679.40 is: 4,021.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,794.60 : 8,696.70 = 2,679.40 : x
  2. Step 2: Convert to fraction form
    5,794.60/8,696.70 = 2,679.40/x
  3. Step 3: Cross multiply
    5,794.60x = 8,696.70 × 2,679.40
  4. Step 4: Simplify right side
    5,794.60x = 23,301,937.98
  5. Step 5: Solve for x
    x = 23,301,937.98/5,794.60
  6. Step 6: Final answer
    x = 4,021.32

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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.