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Finding the Fourth Proportional to 4,782.69, 7,172.82 and 1,495.71

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Solution

The fourth proportional to 4,782.69, 7,172.82 and 1,495.71 is: 2,243.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.69 : 7,172.82 = 1,495.71 : x
  2. Step 2: Convert to fraction form
    4,782.69/7,172.82 = 1,495.71/x
  3. Step 3: Cross multiply
    4,782.69x = 7,172.82 × 1,495.71
  4. Step 4: Simplify right side
    4,782.69x = 10,728,458.60
  5. Step 5: Solve for x
    x = 10,728,458.60/4,782.69
  6. Step 6: Final answer
    x = 2,243.19

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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.