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Finding the Fourth Proportional to 57,662.73, 86,499.54 and 18,225.63

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Solution

The fourth proportional to 57,662.73, 86,499.54 and 18,225.63 is: 27,340.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,662.73 : 86,499.54 = 18,225.63 : x
  2. Step 2: Convert to fraction form
    57,662.73/86,499.54 = 18,225.63/x
  3. Step 3: Cross multiply
    57,662.73x = 86,499.54 × 18,225.63
  4. Step 4: Simplify right side
    57,662.73x = 1,576,508,611.21
  5. Step 5: Solve for x
    x = 1,576,508,611.21/57,662.73
  6. Step 6: Final answer
    x = 27,340.17

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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.