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Finding the Fourth Proportional to 57,969.65, 79,820.97 and 43,650.27

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Solution

The fourth proportional to 57,969.65, 79,820.97 and 43,650.27 is: 60,103.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,969.65 : 79,820.97 = 43,650.27 : x
  2. Step 2: Convert to fraction form
    57,969.65/79,820.97 = 43,650.27/x
  3. Step 3: Cross multiply
    57,969.65x = 79,820.97 × 43,650.27
  4. Step 4: Simplify right side
    57,969.65x = 3,484,206,892.16
  5. Step 5: Solve for x
    x = 3,484,206,892.16/57,969.65
  6. Step 6: Final answer
    x = 60,103.98

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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.