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Finding the Fourth Proportional to 57,958.75, 79,978.67 and 35,295.23

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Solution

The fourth proportional to 57,958.75, 79,978.67 and 35,295.23 is: 48,704.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,958.75 : 79,978.67 = 35,295.23 : x
  2. Step 2: Convert to fraction form
    57,958.75/79,978.67 = 35,295.23/x
  3. Step 3: Cross multiply
    57,958.75x = 79,978.67 × 35,295.23
  4. Step 4: Simplify right side
    57,958.75x = 2,822,865,552.74
  5. Step 5: Solve for x
    x = 2,822,865,552.74/57,958.75
  6. Step 6: Final answer
    x = 48,704.73

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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.