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Finding the Fourth Proportional to 11,398.90, 17,100.24 and 4,001.44

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Solution

The fourth proportional to 11,398.90, 17,100.24 and 4,001.44 is: 6,002.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,398.90 : 17,100.24 = 4,001.44 : x
  2. Step 2: Convert to fraction form
    11,398.90/17,100.24 = 4,001.44/x
  3. Step 3: Cross multiply
    11,398.90x = 17,100.24 × 4,001.44
  4. Step 4: Simplify right side
    11,398.90x = 68,425,584.35
  5. Step 5: Solve for x
    x = 68,425,584.35/11,398.90
  6. Step 6: Final answer
    x = 6,002.82

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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.