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Finding the Fourth Proportional to 57,995.04, 86,983.92 and 18,548.04

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Solution

The fourth proportional to 57,995.04, 86,983.92 and 18,548.04 is: 27,819.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,995.04 : 86,983.92 = 18,548.04 : x
  2. Step 2: Convert to fraction form
    57,995.04/86,983.92 = 18,548.04/x
  3. Step 3: Cross multiply
    57,995.04x = 86,983.92 × 18,548.04
  4. Step 4: Simplify right side
    57,995.04x = 1,613,381,227.52
  5. Step 5: Solve for x
    x = 1,613,381,227.52/57,995.04
  6. Step 6: Final answer
    x = 27,819.30

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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.