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Finding the Fourth Proportional to 57,786.44, 79,691.91 and 44,358.26

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Solution

The fourth proportional to 57,786.44, 79,691.91 and 44,358.26 is: 61,173.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,786.44 : 79,691.91 = 44,358.26 : x
  2. Step 2: Convert to fraction form
    57,786.44/79,691.91 = 44,358.26/x
  3. Step 3: Cross multiply
    57,786.44x = 79,691.91 × 44,358.26
  4. Step 4: Simplify right side
    57,786.44x = 3,534,994,065.22
  5. Step 5: Solve for x
    x = 3,534,994,065.22/57,786.44
  6. Step 6: Final answer
    x = 61,173.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.