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Finding the Fourth Proportional to 18,467.58, 27,701.48 and 5,320.27

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Solution

The fourth proportional to 18,467.58, 27,701.48 and 5,320.27 is: 7,980.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,467.58 : 27,701.48 = 5,320.27 : x
  2. Step 2: Convert to fraction form
    18,467.58/27,701.48 = 5,320.27/x
  3. Step 3: Cross multiply
    18,467.58x = 27,701.48 × 5,320.27
  4. Step 4: Simplify right side
    18,467.58x = 147,379,353.00
  5. Step 5: Solve for x
    x = 147,379,353.00/18,467.58
  6. Step 6: Final answer
    x = 7,980.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.