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Finding the Fourth Proportional to 57,750.78, 79,695.22 and 32,257.52

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Solution

The fourth proportional to 57,750.78, 79,695.22 and 32,257.52 is: 44,514.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,750.78 : 79,695.22 = 32,257.52 : x
  2. Step 2: Convert to fraction form
    57,750.78/79,695.22 = 32,257.52/x
  3. Step 3: Cross multiply
    57,750.78x = 79,695.22 × 32,257.52
  4. Step 4: Simplify right side
    57,750.78x = 2,570,770,072.63
  5. Step 5: Solve for x
    x = 2,570,770,072.63/57,750.78
  6. Step 6: Final answer
    x = 44,514.90

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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.