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Finding the Fourth Proportional to 33,676.29, 50,521.79 and 9,985.68

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Solution

The fourth proportional to 33,676.29, 50,521.79 and 9,985.68 is: 14,980.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,676.29 : 50,521.79 = 9,985.68 : x
  2. Step 2: Convert to fraction form
    33,676.29/50,521.79 = 9,985.68/x
  3. Step 3: Cross multiply
    33,676.29x = 50,521.79 × 9,985.68
  4. Step 4: Simplify right side
    33,676.29x = 504,494,452.93
  5. Step 5: Solve for x
    x = 504,494,452.93/33,676.29
  6. Step 6: Final answer
    x = 14,980.70

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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.