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Finding the Fourth Proportional to 53,408.55, 79,996.19 and 44,019.03

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Solution

The fourth proportional to 53,408.55, 79,996.19 and 44,019.03 is: 65,932.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,408.55 : 79,996.19 = 44,019.03 : x
  2. Step 2: Convert to fraction form
    53,408.55/79,996.19 = 44,019.03/x
  3. Step 3: Cross multiply
    53,408.55x = 79,996.19 × 44,019.03
  4. Step 4: Simplify right side
    53,408.55x = 3,521,354,467.40
  5. Step 5: Solve for x
    x = 3,521,354,467.40/53,408.55
  6. Step 6: Final answer
    x = 65,932.41

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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.