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Finding the Fourth Proportional to 55,791.59, 83,651.00 and 20,246.27

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Solution

The fourth proportional to 55,791.59, 83,651.00 and 20,246.27 is: 30,356.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,791.59 : 83,651.00 = 20,246.27 : x
  2. Step 2: Convert to fraction form
    55,791.59/83,651.00 = 20,246.27/x
  3. Step 3: Cross multiply
    55,791.59x = 83,651.00 × 20,246.27
  4. Step 4: Simplify right side
    55,791.59x = 1,693,620,212.28
  5. Step 5: Solve for x
    x = 1,693,620,212.28/55,791.59
  6. Step 6: Final answer
    x = 30,356.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.