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Finding the Fourth Proportional to 2,037.97, 3,057.06 and 788.56

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Solution

The fourth proportional to 2,037.97, 3,057.06 and 788.56 is: 1,182.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.97 : 3,057.06 = 788.56 : x
  2. Step 2: Convert to fraction form
    2,037.97/3,057.06 = 788.56/x
  3. Step 3: Cross multiply
    2,037.97x = 3,057.06 × 788.56
  4. Step 4: Simplify right side
    2,037.97x = 2,410,675.23
  5. Step 5: Solve for x
    x = 2,410,675.23/2,037.97
  6. Step 6: Final answer
    x = 1,182.88

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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.