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Finding the Fourth Proportional to 13,273.88, 19,908.38 and 4,388.88

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Solution

The fourth proportional to 13,273.88, 19,908.38 and 4,388.88 is: 6,582.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.88 : 19,908.38 = 4,388.88 : x
  2. Step 2: Convert to fraction form
    13,273.88/19,908.38 = 4,388.88/x
  3. Step 3: Cross multiply
    13,273.88x = 19,908.38 × 4,388.88
  4. Step 4: Simplify right side
    13,273.88x = 87,375,576.44
  5. Step 5: Solve for x
    x = 87,375,576.44/13,273.88
  6. Step 6: Final answer
    x = 6,582.52

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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.