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Finding the Fourth Proportional to 57,636.86, 79,558.71 and 33,771.26

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Solution

The fourth proportional to 57,636.86, 79,558.71 and 33,771.26 is: 46,615.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,636.86 : 79,558.71 = 33,771.26 : x
  2. Step 2: Convert to fraction form
    57,636.86/79,558.71 = 33,771.26/x
  3. Step 3: Cross multiply
    57,636.86x = 79,558.71 × 33,771.26
  4. Step 4: Simplify right side
    57,636.86x = 2,686,797,880.67
  5. Step 5: Solve for x
    x = 2,686,797,880.67/57,636.86
  6. Step 6: Final answer
    x = 46,615.97

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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.