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Finding the Fourth Proportional to 1,683.48, 2,523.14 and 1,195.50

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Solution

The fourth proportional to 1,683.48, 2,523.14 and 1,195.50 is: 1,791.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683.48 : 2,523.14 = 1,195.50 : x
  2. Step 2: Convert to fraction form
    1,683.48/2,523.14 = 1,195.50/x
  3. Step 3: Cross multiply
    1,683.48x = 2,523.14 × 1,195.50
  4. Step 4: Simplify right side
    1,683.48x = 3,016,413.87
  5. Step 5: Solve for x
    x = 3,016,413.87/1,683.48
  6. Step 6: Final answer
    x = 1,791.77

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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.