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Finding the Fourth Proportional to 1,024.68, 1,413.45 and 744.54

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Solution

The fourth proportional to 1,024.68, 1,413.45 and 744.54 is: 1,027.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024.68 : 1,413.45 = 744.54 : x
  2. Step 2: Convert to fraction form
    1,024.68/1,413.45 = 744.54/x
  3. Step 3: Cross multiply
    1,024.68x = 1,413.45 × 744.54
  4. Step 4: Simplify right side
    1,024.68x = 1,052,370.06
  5. Step 5: Solve for x
    x = 1,052,370.06/1,024.68
  6. Step 6: Final answer
    x = 1,027.02

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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.