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Finding the Fourth Proportional to 71,995.91, 107,989.83 and 22,075.87

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Solution

The fourth proportional to 71,995.91, 107,989.83 and 22,075.87 is: 33,112.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,995.91 : 107,989.83 = 22,075.87 : x
  2. Step 2: Convert to fraction form
    71,995.91/107,989.83 = 22,075.87/x
  3. Step 3: Cross multiply
    71,995.91x = 107,989.83 × 22,075.87
  4. Step 4: Simplify right side
    71,995.91x = 2,383,969,822.65
  5. Step 5: Solve for x
    x = 2,383,969,822.65/71,995.91
  6. Step 6: Final answer
    x = 33,112.57

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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.