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Finding the Fourth Proportional to 57,449.82, 86,174.73 and 18,007.14

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Solution

The fourth proportional to 57,449.82, 86,174.73 and 18,007.14 is: 27,010.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,449.82 : 86,174.73 = 18,007.14 : x
  2. Step 2: Convert to fraction form
    57,449.82/86,174.73 = 18,007.14/x
  3. Step 3: Cross multiply
    57,449.82x = 86,174.73 × 18,007.14
  4. Step 4: Simplify right side
    57,449.82x = 1,551,760,427.57
  5. Step 5: Solve for x
    x = 1,551,760,427.57/57,449.82
  6. Step 6: Final answer
    x = 27,010.71

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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.