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Finding the Fourth Proportional to 57,344.80, 86,018.64 and 27,757.12

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Solution

The fourth proportional to 57,344.80, 86,018.64 and 27,757.12 is: 41,636.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,344.80 : 86,018.64 = 27,757.12 : x
  2. Step 2: Convert to fraction form
    57,344.80/86,018.64 = 27,757.12/x
  3. Step 3: Cross multiply
    57,344.80x = 86,018.64 × 27,757.12
  4. Step 4: Simplify right side
    57,344.80x = 2,387,629,712.72
  5. Step 5: Solve for x
    x = 2,387,629,712.72/57,344.80
  6. Step 6: Final answer
    x = 41,636.38

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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.