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Finding the Fourth Proportional to 2,062.47, 3,093.84 and 829.88

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Solution

The fourth proportional to 2,062.47, 3,093.84 and 829.88 is: 1,244.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,062.47 : 3,093.84 = 829.88 : x
  2. Step 2: Convert to fraction form
    2,062.47/3,093.84 = 829.88/x
  3. Step 3: Cross multiply
    2,062.47x = 3,093.84 × 829.88
  4. Step 4: Simplify right side
    2,062.47x = 2,567,515.94
  5. Step 5: Solve for x
    x = 2,567,515.94/2,062.47
  6. Step 6: Final answer
    x = 1,244.87

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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.