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Finding the Fourth Proportional to 52,919.88, 79,379.76 and 41,241.84

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Solution

The fourth proportional to 52,919.88, 79,379.76 and 41,241.84 is: 61,862.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,919.88 : 79,379.76 = 41,241.84 : x
  2. Step 2: Convert to fraction form
    52,919.88/79,379.76 = 41,241.84/x
  3. Step 3: Cross multiply
    52,919.88x = 79,379.76 × 41,241.84
  4. Step 4: Simplify right side
    52,919.88x = 3,273,767,361.16
  5. Step 5: Solve for x
    x = 3,273,767,361.16/52,919.88
  6. Step 6: Final answer
    x = 61,862.71

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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.