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Finding the Fourth Proportional to 11,335.44, 16,990.20 and 4,404

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Solution

The fourth proportional to 11,335.44, 16,990.20 and 4,404 is: 6,600.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.44 : 16,990.20 = 4,404 : x
  2. Step 2: Convert to fraction form
    11,335.44/16,990.20 = 4,404/x
  3. Step 3: Cross multiply
    11,335.44x = 16,990.20 × 4,404
  4. Step 4: Simplify right side
    11,335.44x = 74,824,840.80
  5. Step 5: Solve for x
    x = 74,824,840.80/11,335.44
  6. Step 6: Final answer
    x = 6,600.96

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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.