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Finding the Fourth Proportional to 36,662.80, 54,821.40 and 27,331.60

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Solution

The fourth proportional to 36,662.80, 54,821.40 and 27,331.60 is: 40,868.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,662.80 : 54,821.40 = 27,331.60 : x
  2. Step 2: Convert to fraction form
    36,662.80/54,821.40 = 27,331.60/x
  3. Step 3: Cross multiply
    36,662.80x = 54,821.40 × 27,331.60
  4. Step 4: Simplify right side
    36,662.80x = 1,498,356,576.24
  5. Step 5: Solve for x
    x = 1,498,356,576.24/36,662.80
  6. Step 6: Final answer
    x = 40,868.58

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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.