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Finding the Fourth Proportional to 14,499.65, 21,744.90 and 8,944.67

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Solution

The fourth proportional to 14,499.65, 21,744.90 and 8,944.67 is: 13,414.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,499.65 : 21,744.90 = 8,944.67 : x
  2. Step 2: Convert to fraction form
    14,499.65/21,744.90 = 8,944.67/x
  3. Step 3: Cross multiply
    14,499.65x = 21,744.90 × 8,944.67
  4. Step 4: Simplify right side
    14,499.65x = 194,500,845.96
  5. Step 5: Solve for x
    x = 194,500,845.96/14,499.65
  6. Step 6: Final answer
    x = 13,414.18

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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.