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Finding the Fourth Proportional to 18,260.37, 27,392.12 and 6,413.12

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Solution

The fourth proportional to 18,260.37, 27,392.12 and 6,413.12 is: 9,620.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260.37 : 27,392.12 = 6,413.12 : x
  2. Step 2: Convert to fraction form
    18,260.37/27,392.12 = 6,413.12/x
  3. Step 3: Cross multiply
    18,260.37x = 27,392.12 × 6,413.12
  4. Step 4: Simplify right side
    18,260.37x = 175,668,920.55
  5. Step 5: Solve for x
    x = 175,668,920.55/18,260.37
  6. Step 6: Final answer
    x = 9,620.23

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1.5x scale

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.