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Finding the Fourth Proportional to 2,062.80, 3,094.23 and 676.13

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Solution

The fourth proportional to 2,062.80, 3,094.23 and 676.13 is: 1,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,062.80 : 3,094.23 = 676.13 : x
  2. Step 2: Convert to fraction form
    2,062.80/3,094.23 = 676.13/x
  3. Step 3: Cross multiply
    2,062.80x = 3,094.23 × 676.13
  4. Step 4: Simplify right side
    2,062.80x = 2,092,086.26
  5. Step 5: Solve for x
    x = 2,092,086.26/2,062.80
  6. Step 6: Final answer
    x = 1,014.20

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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.