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Finding the Fourth Proportional to 36,175.35, 54,244.80 and 21,388.80

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Solution

The fourth proportional to 36,175.35, 54,244.80 and 21,388.80 is: 32,072.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,175.35 : 54,244.80 = 21,388.80 : x
  2. Step 2: Convert to fraction form
    36,175.35/54,244.80 = 21,388.80/x
  3. Step 3: Cross multiply
    36,175.35x = 54,244.80 × 21,388.80
  4. Step 4: Simplify right side
    36,175.35x = 1,160,231,178.24
  5. Step 5: Solve for x
    x = 1,160,231,178.24/36,175.35
  6. Step 6: Final answer
    x = 32,072.42

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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.