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Finding the Fourth Proportional to 14,413.17, 21,619.54 and 8,792.49

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Solution

The fourth proportional to 14,413.17, 21,619.54 and 8,792.49 is: 13,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,413.17 : 21,619.54 = 8,792.49 : x
  2. Step 2: Convert to fraction form
    14,413.17/21,619.54 = 8,792.49/x
  3. Step 3: Cross multiply
    14,413.17x = 21,619.54 × 8,792.49
  4. Step 4: Simplify right side
    14,413.17x = 190,089,589.25
  5. Step 5: Solve for x
    x = 190,089,589.25/14,413.17
  6. Step 6: Final answer
    x = 13,188.60

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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.