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Finding the Fourth Proportional to 22,165.80, 33,220.98 and 11,075.60

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Solution

The fourth proportional to 22,165.80, 33,220.98 and 11,075.60 is: 16,599.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,165.80 : 33,220.98 = 11,075.60 : x
  2. Step 2: Convert to fraction form
    22,165.80/33,220.98 = 11,075.60/x
  3. Step 3: Cross multiply
    22,165.80x = 33,220.98 × 11,075.60
  4. Step 4: Simplify right side
    22,165.80x = 367,942,286.09
  5. Step 5: Solve for x
    x = 367,942,286.09/22,165.80
  6. Step 6: Final answer
    x = 16,599.55

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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.