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Finding the Fourth Proportional to 57,819.86, 79,790.37 and 32,668.82

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Solution

The fourth proportional to 57,819.86, 79,790.37 and 32,668.82 is: 45,082.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,819.86 : 79,790.37 = 32,668.82 : x
  2. Step 2: Convert to fraction form
    57,819.86/79,790.37 = 32,668.82/x
  3. Step 3: Cross multiply
    57,819.86x = 79,790.37 × 32,668.82
  4. Step 4: Simplify right side
    57,819.86x = 2,606,657,235.26
  5. Step 5: Solve for x
    x = 2,606,657,235.26/57,819.86
  6. Step 6: Final answer
    x = 45,082.39

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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.