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Finding the Fourth Proportional to 34,449.53, 51,654.90 and 11,949.67

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Solution

The fourth proportional to 34,449.53, 51,654.90 and 11,949.67 is: 17,917.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,449.53 : 51,654.90 = 11,949.67 : x
  2. Step 2: Convert to fraction form
    34,449.53/51,654.90 = 11,949.67/x
  3. Step 3: Cross multiply
    34,449.53x = 51,654.90 × 11,949.67
  4. Step 4: Simplify right side
    34,449.53x = 617,259,008.88
  5. Step 5: Solve for x
    x = 617,259,008.88/34,449.53
  6. Step 6: Final answer
    x = 17,917.78

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1.5x scale

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.