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Finding the Fourth Proportional to 6,287.49, 9,435.33 and 2,391.93

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Solution

The fourth proportional to 6,287.49, 9,435.33 and 2,391.93 is: 3,589.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287.49 : 9,435.33 = 2,391.93 : x
  2. Step 2: Convert to fraction form
    6,287.49/9,435.33 = 2,391.93/x
  3. Step 3: Cross multiply
    6,287.49x = 9,435.33 × 2,391.93
  4. Step 4: Simplify right side
    6,287.49x = 22,568,648.89
  5. Step 5: Solve for x
    x = 22,568,648.89/6,287.49
  6. Step 6: Final answer
    x = 3,589.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.