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Finding the Fourth Proportional to 57,753.58, 86,632.83 and 18,309.82

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Solution

The fourth proportional to 57,753.58, 86,632.83 and 18,309.82 is: 27,465.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,753.58 : 86,632.83 = 18,309.82 : x
  2. Step 2: Convert to fraction form
    57,753.58/86,632.83 = 18,309.82/x
  3. Step 3: Cross multiply
    57,753.58x = 86,632.83 × 18,309.82
  4. Step 4: Simplify right side
    57,753.58x = 1,586,231,523.39
  5. Step 5: Solve for x
    x = 1,586,231,523.39/57,753.58
  6. Step 6: Final answer
    x = 27,465.51

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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.