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Finding the Fourth Proportional to 18,579.92, 27,870.77 and 6,100.34

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Solution

The fourth proportional to 18,579.92, 27,870.77 and 6,100.34 is: 9,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579.92 : 27,870.77 = 6,100.34 : x
  2. Step 2: Convert to fraction form
    18,579.92/27,870.77 = 6,100.34/x
  3. Step 3: Cross multiply
    18,579.92x = 27,870.77 × 6,100.34
  4. Step 4: Simplify right side
    18,579.92x = 170,021,048.96
  5. Step 5: Solve for x
    x = 170,021,048.96/18,579.92
  6. Step 6: Final answer
    x = 9,150.80

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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.