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Finding the Fourth Proportional to 57,765.33, 79,716.71 and 33,892.41

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Solution

The fourth proportional to 57,765.33, 79,716.71 and 33,892.41 is: 46,771.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,765.33 : 79,716.71 = 33,892.41 : x
  2. Step 2: Convert to fraction form
    57,765.33/79,716.71 = 33,892.41/x
  3. Step 3: Cross multiply
    57,765.33x = 79,716.71 × 33,892.41
  4. Step 4: Simplify right side
    57,765.33x = 2,701,791,249.71
  5. Step 5: Solve for x
    x = 2,701,791,249.71/57,765.33
  6. Step 6: Final answer
    x = 46,771.85

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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.