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Finding the Fourth Proportional to 71,960.27, 107,940.40 and 22,040.17

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Solution

The fourth proportional to 71,960.27, 107,940.40 and 22,040.17 is: 33,060.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,960.27 : 107,940.40 = 22,040.17 : x
  2. Step 2: Convert to fraction form
    71,960.27/107,940.40 = 22,040.17/x
  3. Step 3: Cross multiply
    71,960.27x = 107,940.40 × 22,040.17
  4. Step 4: Simplify right side
    71,960.27x = 2,379,024,440.92
  5. Step 5: Solve for x
    x = 2,379,024,440.92/71,960.27
  6. Step 6: Final answer
    x = 33,060.25

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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.