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Finding the Fourth Proportional to 33,615.11, 50,410.91 and 9,916.37

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Solution

The fourth proportional to 33,615.11, 50,410.91 and 9,916.37 is: 14,871.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,615.11 : 50,410.91 = 9,916.37 : x
  2. Step 2: Convert to fraction form
    33,615.11/50,410.91 = 9,916.37/x
  3. Step 3: Cross multiply
    33,615.11x = 50,410.91 × 9,916.37
  4. Step 4: Simplify right side
    33,615.11x = 499,892,933.96
  5. Step 5: Solve for x
    x = 499,892,933.96/33,615.11
  6. Step 6: Final answer
    x = 14,871.08

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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.