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Finding the Fourth Proportional to 27,593.50, 38,079.03 and 15,018.34

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Solution

The fourth proportional to 27,593.50, 38,079.03 and 15,018.34 is: 20,725.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,593.50 : 38,079.03 = 15,018.34 : x
  2. Step 2: Convert to fraction form
    27,593.50/38,079.03 = 15,018.34/x
  3. Step 3: Cross multiply
    27,593.50x = 38,079.03 × 15,018.34
  4. Step 4: Simplify right side
    27,593.50x = 571,883,819.41
  5. Step 5: Solve for x
    x = 571,883,819.41/27,593.50
  6. Step 6: Final answer
    x = 20,725.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.