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Finding the Fourth Proportional to 7,717.89, 10,650.71 and 4,181.10

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Solution

The fourth proportional to 7,717.89, 10,650.71 and 4,181.10 is: 5,769.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.89 : 10,650.71 = 4,181.10 : x
  2. Step 2: Convert to fraction form
    7,717.89/10,650.71 = 4,181.10/x
  3. Step 3: Cross multiply
    7,717.89x = 10,650.71 × 4,181.10
  4. Step 4: Simplify right side
    7,717.89x = 44,531,683.58
  5. Step 5: Solve for x
    x = 44,531,683.58/7,717.89
  6. Step 6: Final answer
    x = 5,769.93

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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.