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Finding the Fourth Proportional to 76,771.44, 115,131.44 and 29,375.51

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Solution

The fourth proportional to 76,771.44, 115,131.44 and 29,375.51 is: 44,053.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,771.44 : 115,131.44 = 29,375.51 : x
  2. Step 2: Convert to fraction form
    76,771.44/115,131.44 = 29,375.51/x
  3. Step 3: Cross multiply
    76,771.44x = 115,131.44 × 29,375.51
  4. Step 4: Simplify right side
    76,771.44x = 3,382,044,767.03
  5. Step 5: Solve for x
    x = 3,382,044,767.03/76,771.44
  6. Step 6: Final answer
    x = 44,053.42

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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.