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Finding the Fourth Proportional to 71,960.19, 107,940.56 and 22,040.07

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Solution

The fourth proportional to 71,960.19, 107,940.56 and 22,040.07 is: 33,060.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,960.19 : 107,940.56 = 22,040.07 : x
  2. Step 2: Convert to fraction form
    71,960.19/107,940.56 = 22,040.07/x
  3. Step 3: Cross multiply
    71,960.19x = 107,940.56 × 22,040.07
  4. Step 4: Simplify right side
    71,960.19x = 2,379,017,388.04
  5. Step 5: Solve for x
    x = 2,379,017,388.04/71,960.19
  6. Step 6: Final answer
    x = 33,060.19

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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.