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Finding the Fourth Proportional to 4,796.56, 6,619.27 and 2,780.37

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Solution

The fourth proportional to 4,796.56, 6,619.27 and 2,780.37 is: 3,836.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,796.56 : 6,619.27 = 2,780.37 : x
  2. Step 2: Convert to fraction form
    4,796.56/6,619.27 = 2,780.37/x
  3. Step 3: Cross multiply
    4,796.56x = 6,619.27 × 2,780.37
  4. Step 4: Simplify right side
    4,796.56x = 18,403,972.73
  5. Step 5: Solve for x
    x = 18,403,972.73/4,796.56
  6. Step 6: Final answer
    x = 3,836.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.