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Finding the Fourth Proportional to 57,796.80, 86,694.93 and 18,356.91

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Solution

The fourth proportional to 57,796.80, 86,694.93 and 18,356.91 is: 27,535.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,796.80 : 86,694.93 = 18,356.91 : x
  2. Step 2: Convert to fraction form
    57,796.80/86,694.93 = 18,356.91/x
  3. Step 3: Cross multiply
    57,796.80x = 86,694.93 × 18,356.91
  4. Step 4: Simplify right side
    57,796.80x = 1,591,451,027.47
  5. Step 5: Solve for x
    x = 1,591,451,027.47/57,796.80
  6. Step 6: Final answer
    x = 27,535.28

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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.