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Finding the Fourth Proportional to 11,262.70, 16,898.85 and 5,416.30

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Solution

The fourth proportional to 11,262.70, 16,898.85 and 5,416.30 is: 8,126.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,262.70 : 16,898.85 = 5,416.30 : x
  2. Step 2: Convert to fraction form
    11,262.70/16,898.85 = 5,416.30/x
  3. Step 3: Cross multiply
    11,262.70x = 16,898.85 × 5,416.30
  4. Step 4: Simplify right side
    11,262.70x = 91,529,241.26
  5. Step 5: Solve for x
    x = 91,529,241.26/11,262.70
  6. Step 6: Final answer
    x = 8,126.76

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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.