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Finding the Fourth Proportional to 4,437.72, 6,651.72 and 2,243.43

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Solution

The fourth proportional to 4,437.72, 6,651.72 and 2,243.43 is: 3,362.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,437.72 : 6,651.72 = 2,243.43 : x
  2. Step 2: Convert to fraction form
    4,437.72/6,651.72 = 2,243.43/x
  3. Step 3: Cross multiply
    4,437.72x = 6,651.72 × 2,243.43
  4. Step 4: Simplify right side
    4,437.72x = 14,922,668.20
  5. Step 5: Solve for x
    x = 14,922,668.20/4,437.72
  6. Step 6: Final answer
    x = 3,362.69

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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.