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Finding the Fourth Proportional to 3,333.26, 4,999.07 and 1,578.20

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Solution

The fourth proportional to 3,333.26, 4,999.07 and 1,578.20 is: 2,366.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,333.26 : 4,999.07 = 1,578.20 : x
  2. Step 2: Convert to fraction form
    3,333.26/4,999.07 = 1,578.20/x
  3. Step 3: Cross multiply
    3,333.26x = 4,999.07 × 1,578.20
  4. Step 4: Simplify right side
    3,333.26x = 7,889,499.39
  5. Step 5: Solve for x
    x = 7,889,499.39/3,333.26
  6. Step 6: Final answer
    x = 2,366.91

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.