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Finding the Fourth Proportional to 14,974.56, 22,453.74 and 8,413.56

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Solution

The fourth proportional to 14,974.56, 22,453.74 and 8,413.56 is: 12,615.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,974.56 : 22,453.74 = 8,413.56 : x
  2. Step 2: Convert to fraction form
    14,974.56/22,453.74 = 8,413.56/x
  3. Step 3: Cross multiply
    14,974.56x = 22,453.74 × 8,413.56
  4. Step 4: Simplify right side
    14,974.56x = 188,915,888.71
  5. Step 5: Solve for x
    x = 188,915,888.71/14,974.56
  6. Step 6: Final answer
    x = 12,615.79

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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.