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Finding the Fourth Proportional to 1,749.54, 2,413.27 and 1,040.88

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Solution

The fourth proportional to 1,749.54, 2,413.27 and 1,040.88 is: 1,435.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.54 : 2,413.27 = 1,040.88 : x
  2. Step 2: Convert to fraction form
    1,749.54/2,413.27 = 1,040.88/x
  3. Step 3: Cross multiply
    1,749.54x = 2,413.27 × 1,040.88
  4. Step 4: Simplify right side
    1,749.54x = 2,511,921.88
  5. Step 5: Solve for x
    x = 2,511,921.88/1,749.54
  6. Step 6: Final answer
    x = 1,435.76

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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.