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Finding the Fourth Proportional to 2,413.52, 3,622.34 and 953.70

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Solution

The fourth proportional to 2,413.52, 3,622.34 and 953.70 is: 1,431.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413.52 : 3,622.34 = 953.70 : x
  2. Step 2: Convert to fraction form
    2,413.52/3,622.34 = 953.70/x
  3. Step 3: Cross multiply
    2,413.52x = 3,622.34 × 953.70
  4. Step 4: Simplify right side
    2,413.52x = 3,454,629.47
  5. Step 5: Solve for x
    x = 3,454,629.47/2,413.52
  6. Step 6: Final answer
    x = 1,431.36

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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.