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Finding the Fourth Proportional to 57,986.94, 80,017.77 and 32,489.71

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Solution

The fourth proportional to 57,986.94, 80,017.77 and 32,489.71 is: 44,833.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,986.94 : 80,017.77 = 32,489.71 : x
  2. Step 2: Convert to fraction form
    57,986.94/80,017.77 = 32,489.71/x
  3. Step 3: Cross multiply
    57,986.94x = 80,017.77 × 32,489.71
  4. Step 4: Simplify right side
    57,986.94x = 2,599,754,063.94
  5. Step 5: Solve for x
    x = 2,599,754,063.94/57,986.94
  6. Step 6: Final answer
    x = 44,833.44

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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.