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Finding the Fourth Proportional to 57,593.70, 86,398.83 and 18,153.99

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Solution

The fourth proportional to 57,593.70, 86,398.83 and 18,153.99 is: 27,233.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,593.70 : 86,398.83 = 18,153.99 : x
  2. Step 2: Convert to fraction form
    57,593.70/86,398.83 = 18,153.99/x
  3. Step 3: Cross multiply
    57,593.70x = 86,398.83 × 18,153.99
  4. Step 4: Simplify right side
    57,593.70x = 1,568,483,495.83
  5. Step 5: Solve for x
    x = 1,568,483,495.83/57,593.70
  6. Step 6: Final answer
    x = 27,233.59

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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.