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Finding the Fourth Proportional to 14,273.92, 21,412.92 and 4,413.97

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Solution

The fourth proportional to 14,273.92, 21,412.92 and 4,413.97 is: 6,621.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,273.92 : 21,412.92 = 4,413.97 : x
  2. Step 2: Convert to fraction form
    14,273.92/21,412.92 = 4,413.97/x
  3. Step 3: Cross multiply
    14,273.92x = 21,412.92 × 4,413.97
  4. Step 4: Simplify right side
    14,273.92x = 94,515,879.43
  5. Step 5: Solve for x
    x = 94,515,879.43/14,273.92
  6. Step 6: Final answer
    x = 6,621.58

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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.