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Finding the Fourth Proportional to 54,791.60, 82,273.80 and 31,463.60

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Solution

The fourth proportional to 54,791.60, 82,273.80 and 31,463.60 is: 47,245.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,791.60 : 82,273.80 = 31,463.60 : x
  2. Step 2: Convert to fraction form
    54,791.60/82,273.80 = 31,463.60/x
  3. Step 3: Cross multiply
    54,791.60x = 82,273.80 × 31,463.60
  4. Step 4: Simplify right side
    54,791.60x = 2,588,629,933.68
  5. Step 5: Solve for x
    x = 2,588,629,933.68/54,791.60
  6. Step 6: Final answer
    x = 47,245.01

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1.5x scale

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.