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Finding the Fourth Proportional to 36,174.70, 54,253.32 and 9,879.58

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Solution

The fourth proportional to 36,174.70, 54,253.32 and 9,879.58 is: 14,816.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,174.70 : 54,253.32 = 9,879.58 : x
  2. Step 2: Convert to fraction form
    36,174.70/54,253.32 = 9,879.58/x
  3. Step 3: Cross multiply
    36,174.70x = 54,253.32 × 9,879.58
  4. Step 4: Simplify right side
    36,174.70x = 536,000,015.21
  5. Step 5: Solve for x
    x = 536,000,015.21/36,174.70
  6. Step 6: Final answer
    x = 14,816.99

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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.