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Finding the Fourth Proportional to 11,469.88, 17,201.58 and 4,449.40

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Solution

The fourth proportional to 11,469.88, 17,201.58 and 4,449.40 is: 6,672.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,469.88 : 17,201.58 = 4,449.40 : x
  2. Step 2: Convert to fraction form
    11,469.88/17,201.58 = 4,449.40/x
  3. Step 3: Cross multiply
    11,469.88x = 17,201.58 × 4,449.40
  4. Step 4: Simplify right side
    11,469.88x = 76,536,710.05
  5. Step 5: Solve for x
    x = 76,536,710.05/11,469.88
  6. Step 6: Final answer
    x = 6,672.84

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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.