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Finding the Fourth Proportional to 57,879.43, 79,850.10 and 37,729.24

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Solution

The fourth proportional to 57,879.43, 79,850.10 and 37,729.24 is: 52,051.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,879.43 : 79,850.10 = 37,729.24 : x
  2. Step 2: Convert to fraction form
    57,879.43/79,850.10 = 37,729.24/x
  3. Step 3: Cross multiply
    57,879.43x = 79,850.10 × 37,729.24
  4. Step 4: Simplify right side
    57,879.43x = 3,012,683,586.92
  5. Step 5: Solve for x
    x = 3,012,683,586.92/57,879.43
  6. Step 6: Final answer
    x = 52,051.02

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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.