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Finding the Fourth Proportional to 11,018.70, 16,530.48 and 3,622.86

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Solution

The fourth proportional to 11,018.70, 16,530.48 and 3,622.86 is: 5,435.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018.70 : 16,530.48 = 3,622.86 : x
  2. Step 2: Convert to fraction form
    11,018.70/16,530.48 = 3,622.86/x
  3. Step 3: Cross multiply
    11,018.70x = 16,530.48 × 3,622.86
  4. Step 4: Simplify right side
    11,018.70x = 59,887,614.77
  5. Step 5: Solve for x
    x = 59,887,614.77/11,018.70
  6. Step 6: Final answer
    x = 5,435.09

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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.