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Finding the Fourth Proportional to 3,329.48, 4,992.62 and 1,943.22

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Solution

The fourth proportional to 3,329.48, 4,992.62 and 1,943.22 is: 2,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.48 : 4,992.62 = 1,943.22 : x
  2. Step 2: Convert to fraction form
    3,329.48/4,992.62 = 1,943.22/x
  3. Step 3: Cross multiply
    3,329.48x = 4,992.62 × 1,943.22
  4. Step 4: Simplify right side
    3,329.48x = 9,701,749.32
  5. Step 5: Solve for x
    x = 9,701,749.32/3,329.48
  6. Step 6: Final answer
    x = 2,913.90

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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.