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Finding the Fourth Proportional to 11,234.70, 16,851.96 and 2,914.70

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Solution

The fourth proportional to 11,234.70, 16,851.96 and 2,914.70 is: 4,372.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,234.70 : 16,851.96 = 2,914.70 : x
  2. Step 2: Convert to fraction form
    11,234.70/16,851.96 = 2,914.70/x
  3. Step 3: Cross multiply
    11,234.70x = 16,851.96 × 2,914.70
  4. Step 4: Simplify right side
    11,234.70x = 49,118,407.81
  5. Step 5: Solve for x
    x = 49,118,407.81/11,234.70
  6. Step 6: Final answer
    x = 4,372.03

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Why These Related Problems?

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