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Finding the Fourth Proportional to 2,275.09, 3,413.08 and 888.37

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Solution

The fourth proportional to 2,275.09, 3,413.08 and 888.37 is: 1,332.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275.09 : 3,413.08 = 888.37 : x
  2. Step 2: Convert to fraction form
    2,275.09/3,413.08 = 888.37/x
  3. Step 3: Cross multiply
    2,275.09x = 3,413.08 × 888.37
  4. Step 4: Simplify right side
    2,275.09x = 3,032,073.44
  5. Step 5: Solve for x
    x = 3,032,073.44/2,275.09
  6. Step 6: Final answer
    x = 1,332.73

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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.