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Finding the Fourth Proportional to 4,796.87, 6,619.41 and 2,672.01

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Solution

The fourth proportional to 4,796.87, 6,619.41 and 2,672.01 is: 3,687.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,796.87 : 6,619.41 = 2,672.01 : x
  2. Step 2: Convert to fraction form
    4,796.87/6,619.41 = 2,672.01/x
  3. Step 3: Cross multiply
    4,796.87x = 6,619.41 × 2,672.01
  4. Step 4: Simplify right side
    4,796.87x = 17,687,129.71
  5. Step 5: Solve for x
    x = 17,687,129.71/4,796.87
  6. Step 6: Final answer
    x = 3,687.23

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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.