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Finding the Fourth Proportional to 33,604.88, 50,389.88 and 9,909.30

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Solution

The fourth proportional to 33,604.88, 50,389.88 and 9,909.30 is: 14,858.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,604.88 : 50,389.88 = 9,909.30 : x
  2. Step 2: Convert to fraction form
    33,604.88/50,389.88 = 9,909.30/x
  3. Step 3: Cross multiply
    33,604.88x = 50,389.88 × 9,909.30
  4. Step 4: Simplify right side
    33,604.88x = 499,328,437.88
  5. Step 5: Solve for x
    x = 499,328,437.88/33,604.88
  6. Step 6: Final answer
    x = 14,858.81

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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.