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Finding the Fourth Proportional to 57,514.65, 79,370.11 and 33,636.39

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Solution

The fourth proportional to 57,514.65, 79,370.11 and 33,636.39 is: 46,418.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,514.65 : 79,370.11 = 33,636.39 : x
  2. Step 2: Convert to fraction form
    57,514.65/79,370.11 = 33,636.39/x
  3. Step 3: Cross multiply
    57,514.65x = 79,370.11 × 33,636.39
  4. Step 4: Simplify right side
    57,514.65x = 2,669,723,974.30
  5. Step 5: Solve for x
    x = 2,669,723,974.30/57,514.65
  6. Step 6: Final answer
    x = 46,418.16

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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.