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Finding the Fourth Proportional to 1,413.37, 1,951.41 and 883.06

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Solution

The fourth proportional to 1,413.37, 1,951.41 and 883.06 is: 1,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413.37 : 1,951.41 = 883.06 : x
  2. Step 2: Convert to fraction form
    1,413.37/1,951.41 = 883.06/x
  3. Step 3: Cross multiply
    1,413.37x = 1,951.41 × 883.06
  4. Step 4: Simplify right side
    1,413.37x = 1,723,203.58
  5. Step 5: Solve for x
    x = 1,723,203.58/1,413.37
  6. Step 6: Final answer
    x = 1,219.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.