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Finding the Fourth Proportional to 2,062.20, 3,093.48 and 675.18

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Solution

The fourth proportional to 2,062.20, 3,093.48 and 675.18 is: 1,012.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,062.20 : 3,093.48 = 675.18 : x
  2. Step 2: Convert to fraction form
    2,062.20/3,093.48 = 675.18/x
  3. Step 3: Cross multiply
    2,062.20x = 3,093.48 × 675.18
  4. Step 4: Simplify right side
    2,062.20x = 2,088,655.83
  5. Step 5: Solve for x
    x = 2,088,655.83/2,062.20
  6. Step 6: Final answer
    x = 1,012.83

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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.