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Finding the Fourth Proportional to 2,314.44, 3,469.58 and 853.25

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Solution

The fourth proportional to 2,314.44, 3,469.58 and 853.25 is: 1,279.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,314.44 : 3,469.58 = 853.25 : x
  2. Step 2: Convert to fraction form
    2,314.44/3,469.58 = 853.25/x
  3. Step 3: Cross multiply
    2,314.44x = 3,469.58 × 853.25
  4. Step 4: Simplify right side
    2,314.44x = 2,960,410.40
  5. Step 5: Solve for x
    x = 2,960,410.40/2,314.44
  6. Step 6: Final answer
    x = 1,279.11

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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.