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Finding the Fourth Proportional to 10,812.60, 14,921.10 and 6,096.60

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Solution

The fourth proportional to 10,812.60, 14,921.10 and 6,096.60 is: 8,413.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812.60 : 14,921.10 = 6,096.60 : x
  2. Step 2: Convert to fraction form
    10,812.60/14,921.10 = 6,096.60/x
  3. Step 3: Cross multiply
    10,812.60x = 14,921.10 × 6,096.60
  4. Step 4: Simplify right side
    10,812.60x = 90,967,978.26
  5. Step 5: Solve for x
    x = 90,967,978.26/10,812.60
  6. Step 6: Final answer
    x = 8,413.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.