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Finding the Fourth Proportional to 2,413.62, 3,618 and 952.20

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Solution

The fourth proportional to 2,413.62, 3,618 and 952.20 is: 1,427.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413.62 : 3,618 = 952.20 : x
  2. Step 2: Convert to fraction form
    2,413.62/3,618 = 952.20/x
  3. Step 3: Cross multiply
    2,413.62x = 3,618 × 952.20
  4. Step 4: Simplify right side
    2,413.62x = 3,445,059.60
  5. Step 5: Solve for x
    x = 3,445,059.60/2,413.62
  6. Step 6: Final answer
    x = 1,427.34

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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.