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Finding the Fourth Proportional to 53,791.68, 80,762.40 and 27,514.56

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Solution

The fourth proportional to 53,791.68, 80,762.40 and 27,514.56 is: 41,310.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,791.68 : 80,762.40 = 27,514.56 : x
  2. Step 2: Convert to fraction form
    53,791.68/80,762.40 = 27,514.56/x
  3. Step 3: Cross multiply
    53,791.68x = 80,762.40 × 27,514.56
  4. Step 4: Simplify right side
    53,791.68x = 2,222,141,900.54
  5. Step 5: Solve for x
    x = 2,222,141,900.54/53,791.68
  6. Step 6: Final answer
    x = 41,310.14

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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.