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Finding the Fourth Proportional to 3,329.69, 4,992.99 and 1,943.43

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Solution

The fourth proportional to 3,329.69, 4,992.99 and 1,943.43 is: 2,914.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.69 : 4,992.99 = 1,943.43 : x
  2. Step 2: Convert to fraction form
    3,329.69/4,992.99 = 1,943.43/x
  3. Step 3: Cross multiply
    3,329.69x = 4,992.99 × 1,943.43
  4. Step 4: Simplify right side
    3,329.69x = 9,703,501.59
  5. Step 5: Solve for x
    x = 9,703,501.59/3,329.69
  6. Step 6: Final answer
    x = 2,914.24

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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.