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Finding the Fourth Proportional to 11,718.93, 16,172.00 and 6,683.02

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Solution

The fourth proportional to 11,718.93, 16,172.00 and 6,683.02 is: 9,222.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.93 : 16,172.00 = 6,683.02 : x
  2. Step 2: Convert to fraction form
    11,718.93/16,172.00 = 6,683.02/x
  3. Step 3: Cross multiply
    11,718.93x = 16,172.00 × 6,683.02
  4. Step 4: Simplify right side
    11,718.93x = 108,077,685.16
  5. Step 5: Solve for x
    x = 108,077,685.16/11,718.93
  6. Step 6: Final answer
    x = 9,222.49

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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.