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Finding the Fourth Proportional to 2,546.12, 3,819.19 and 697.25

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Solution

The fourth proportional to 2,546.12, 3,819.19 and 697.25 is: 1,045.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,546.12 : 3,819.19 = 697.25 : x
  2. Step 2: Convert to fraction form
    2,546.12/3,819.19 = 697.25/x
  3. Step 3: Cross multiply
    2,546.12x = 3,819.19 × 697.25
  4. Step 4: Simplify right side
    2,546.12x = 2,662,938.03
  5. Step 5: Solve for x
    x = 2,662,938.03/2,546.12
  6. Step 6: Final answer
    x = 1,045.88

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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.