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Finding the Fourth Proportional to 5,735.48, 8,603.42 and 1,839.38

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Solution

The fourth proportional to 5,735.48, 8,603.42 and 1,839.38 is: 2,759.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,735.48 : 8,603.42 = 1,839.38 : x
  2. Step 2: Convert to fraction form
    5,735.48/8,603.42 = 1,839.38/x
  3. Step 3: Cross multiply
    5,735.48x = 8,603.42 × 1,839.38
  4. Step 4: Simplify right side
    5,735.48x = 15,824,906.47
  5. Step 5: Solve for x
    x = 15,824,906.47/5,735.48
  6. Step 6: Final answer
    x = 2,759.13

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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.