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Finding the Fourth Proportional to 45,919.27, 68,858.11 and 16,337.88

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Solution

The fourth proportional to 45,919.27, 68,858.11 and 16,337.88 is: 24,499.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,919.27 : 68,858.11 = 16,337.88 : x
  2. Step 2: Convert to fraction form
    45,919.27/68,858.11 = 16,337.88/x
  3. Step 3: Cross multiply
    45,919.27x = 68,858.11 × 16,337.88
  4. Step 4: Simplify right side
    45,919.27x = 1,124,995,558.63
  5. Step 5: Solve for x
    x = 1,124,995,558.63/45,919.27
  6. Step 6: Final answer
    x = 24,499.42

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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.