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Finding the Fourth Proportional to 2,509.67, 3,759.04 and 1,208.41

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Solution

The fourth proportional to 2,509.67, 3,759.04 and 1,208.41 is: 1,809.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,509.67 : 3,759.04 = 1,208.41 : x
  2. Step 2: Convert to fraction form
    2,509.67/3,759.04 = 1,208.41/x
  3. Step 3: Cross multiply
    2,509.67x = 3,759.04 × 1,208.41
  4. Step 4: Simplify right side
    2,509.67x = 4,542,461.53
  5. Step 5: Solve for x
    x = 4,542,461.53/2,509.67
  6. Step 6: Final answer
    x = 1,809.98

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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.