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Finding the Fourth Proportional to 23,940.75, 35,911.23 and 8,358.38

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Solution

The fourth proportional to 23,940.75, 35,911.23 and 8,358.38 is: 12,537.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,940.75 : 35,911.23 = 8,358.38 : x
  2. Step 2: Convert to fraction form
    23,940.75/35,911.23 = 8,358.38/x
  3. Step 3: Cross multiply
    23,940.75x = 35,911.23 × 8,358.38
  4. Step 4: Simplify right side
    23,940.75x = 300,159,706.61
  5. Step 5: Solve for x
    x = 300,159,706.61/23,940.75
  6. Step 6: Final answer
    x = 12,537.61

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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.