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Finding the Fourth Proportional to 52,786.89, 79,103.79 and 29,099.25

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Solution

The fourth proportional to 52,786.89, 79,103.79 and 29,099.25 is: 43,606.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,786.89 : 79,103.79 = 29,099.25 : x
  2. Step 2: Convert to fraction form
    52,786.89/79,103.79 = 29,099.25/x
  3. Step 3: Cross multiply
    52,786.89x = 79,103.79 × 29,099.25
  4. Step 4: Simplify right side
    52,786.89x = 2,301,860,961.16
  5. Step 5: Solve for x
    x = 2,301,860,961.16/52,786.89
  6. Step 6: Final answer
    x = 43,606.68

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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.