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Finding the Fourth Proportional to 18,540.87, 27,808.98 and 6,059.85

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Solution

The fourth proportional to 18,540.87, 27,808.98 and 6,059.85 is: 9,089.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540.87 : 27,808.98 = 6,059.85 : x
  2. Step 2: Convert to fraction form
    18,540.87/27,808.98 = 6,059.85/x
  3. Step 3: Cross multiply
    18,540.87x = 27,808.98 × 6,059.85
  4. Step 4: Simplify right side
    18,540.87x = 168,518,247.45
  5. Step 5: Solve for x
    x = 168,518,247.45/18,540.87
  6. Step 6: Final answer
    x = 9,089.02

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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.