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Finding the Fourth Proportional to 71,592.28, 98,791.56 and 41,379.56

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Solution

The fourth proportional to 71,592.28, 98,791.56 and 41,379.56 is: 57,100.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,592.28 : 98,791.56 = 41,379.56 : x
  2. Step 2: Convert to fraction form
    71,592.28/98,791.56 = 41,379.56/x
  3. Step 3: Cross multiply
    71,592.28x = 98,791.56 × 41,379.56
  4. Step 4: Simplify right side
    71,592.28x = 4,087,950,790.56
  5. Step 5: Solve for x
    x = 4,087,950,790.56/71,592.28
  6. Step 6: Final answer
    x = 57,100.44

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1.5x scale

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.