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Finding the Fourth Proportional to 14,940.78, 22,413.21 and 5,077.41

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Solution

The fourth proportional to 14,940.78, 22,413.21 and 5,077.41 is: 7,616.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,940.78 : 22,413.21 = 5,077.41 : x
  2. Step 2: Convert to fraction form
    14,940.78/22,413.21 = 5,077.41/x
  3. Step 3: Cross multiply
    14,940.78x = 22,413.21 × 5,077.41
  4. Step 4: Simplify right side
    14,940.78x = 113,801,056.59
  5. Step 5: Solve for x
    x = 113,801,056.59/14,940.78
  6. Step 6: Final answer
    x = 7,616.81

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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.