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Finding the Fourth Proportional to 57,418.68, 86,090.97 and 27,416.68

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Solution

The fourth proportional to 57,418.68, 86,090.97 and 27,416.68 is: 41,107.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,418.68 : 86,090.97 = 27,416.68 : x
  2. Step 2: Convert to fraction form
    57,418.68/86,090.97 = 27,416.68/x
  3. Step 3: Cross multiply
    57,418.68x = 86,090.97 × 27,416.68
  4. Step 4: Simplify right side
    57,418.68x = 2,360,328,575.38
  5. Step 5: Solve for x
    x = 2,360,328,575.38/57,418.68
  6. Step 6: Final answer
    x = 41,107.33

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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.