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Finding the Fourth Proportional to 18,563.36, 27,848.04 and 6,079.76

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Solution

The fourth proportional to 18,563.36, 27,848.04 and 6,079.76 is: 9,120.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,563.36 : 27,848.04 = 6,079.76 : x
  2. Step 2: Convert to fraction form
    18,563.36/27,848.04 = 6,079.76/x
  3. Step 3: Cross multiply
    18,563.36x = 27,848.04 × 6,079.76
  4. Step 4: Simplify right side
    18,563.36x = 169,309,399.67
  5. Step 5: Solve for x
    x = 169,309,399.67/18,563.36
  6. Step 6: Final answer
    x = 9,120.62

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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.