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Finding the Fourth Proportional to 4,578.25, 6,321.25 and 3,619.73

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Solution

The fourth proportional to 4,578.25, 6,321.25 and 3,619.73 is: 4,997.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.25 : 6,321.25 = 3,619.73 : x
  2. Step 2: Convert to fraction form
    4,578.25/6,321.25 = 3,619.73/x
  3. Step 3: Cross multiply
    4,578.25x = 6,321.25 × 3,619.73
  4. Step 4: Simplify right side
    4,578.25x = 22,881,218.26
  5. Step 5: Solve for x
    x = 22,881,218.26/4,578.25
  6. Step 6: Final answer
    x = 4,997.81

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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.