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Finding the Fourth Proportional to 4,393.67, 6,588.22 and 1,619.37

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Solution

The fourth proportional to 4,393.67, 6,588.22 and 1,619.37 is: 2,428.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,393.67 : 6,588.22 = 1,619.37 : x
  2. Step 2: Convert to fraction form
    4,393.67/6,588.22 = 1,619.37/x
  3. Step 3: Cross multiply
    4,393.67x = 6,588.22 × 1,619.37
  4. Step 4: Simplify right side
    4,393.67x = 10,668,765.82
  5. Step 5: Solve for x
    x = 10,668,765.82/4,393.67
  6. Step 6: Final answer
    x = 2,428.21

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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.