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Finding the Fourth Proportional to 4,402.99, 6,604.09 and 1,629.69

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Solution

The fourth proportional to 4,402.99, 6,604.09 and 1,629.69 is: 2,444.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,402.99 : 6,604.09 = 1,629.69 : x
  2. Step 2: Convert to fraction form
    4,402.99/6,604.09 = 1,629.69/x
  3. Step 3: Cross multiply
    4,402.99x = 6,604.09 × 1,629.69
  4. Step 4: Simplify right side
    4,402.99x = 10,762,578.26
  5. Step 5: Solve for x
    x = 10,762,578.26/4,402.99
  6. Step 6: Final answer
    x = 2,444.38

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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.