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Finding the Fourth Proportional to 57,144.59, 85,716.90 and 27,556.91

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Solution

The fourth proportional to 57,144.59, 85,716.90 and 27,556.91 is: 41,335.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,144.59 : 85,716.90 = 27,556.91 : x
  2. Step 2: Convert to fraction form
    57,144.59/85,716.90 = 27,556.91/x
  3. Step 3: Cross multiply
    57,144.59x = 85,716.90 × 27,556.91
  4. Step 4: Simplify right side
    57,144.59x = 2,362,092,898.78
  5. Step 5: Solve for x
    x = 2,362,092,898.78/57,144.59
  6. Step 6: Final answer
    x = 41,335.37

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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.