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Finding the Fourth Proportional to 11,001.52, 16,504.10 and 5,455.05

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Solution

The fourth proportional to 11,001.52, 16,504.10 and 5,455.05 is: 8,183.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001.52 : 16,504.10 = 5,455.05 : x
  2. Step 2: Convert to fraction form
    11,001.52/16,504.10 = 5,455.05/x
  3. Step 3: Cross multiply
    11,001.52x = 16,504.10 × 5,455.05
  4. Step 4: Simplify right side
    11,001.52x = 90,030,652.68
  5. Step 5: Solve for x
    x = 90,030,652.68/11,001.52
  6. Step 6: Final answer
    x = 8,183.47

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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.