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Finding the Fourth Proportional to 1,676.24, 2,512.20 and 701

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Solution

The fourth proportional to 1,676.24, 2,512.20 and 701 is: 1,050.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676.24 : 2,512.20 = 701 : x
  2. Step 2: Convert to fraction form
    1,676.24/2,512.20 = 701/x
  3. Step 3: Cross multiply
    1,676.24x = 2,512.20 × 701
  4. Step 4: Simplify right side
    1,676.24x = 1,761,052.20
  5. Step 5: Solve for x
    x = 1,761,052.20/1,676.24
  6. Step 6: Final answer
    x = 1,050.60

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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.