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Finding the Fourth Proportional to 23,940.78, 35,917.65 and 8,359.62

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Solution

The fourth proportional to 23,940.78, 35,917.65 and 8,359.62 is: 12,541.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,940.78 : 35,917.65 = 8,359.62 : x
  2. Step 2: Convert to fraction form
    23,940.78/35,917.65 = 8,359.62/x
  3. Step 3: Cross multiply
    23,940.78x = 35,917.65 × 8,359.62
  4. Step 4: Simplify right side
    23,940.78x = 300,257,905.29
  5. Step 5: Solve for x
    x = 300,257,905.29/23,940.78
  6. Step 6: Final answer
    x = 12,541.69

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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.