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Finding the Fourth Proportional to 44,942.68, 67,415.72 and 11,661.88

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Solution

The fourth proportional to 44,942.68, 67,415.72 and 11,661.88 is: 17,493.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,942.68 : 67,415.72 = 11,661.88 : x
  2. Step 2: Convert to fraction form
    44,942.68/67,415.72 = 11,661.88/x
  3. Step 3: Cross multiply
    44,942.68x = 67,415.72 × 11,661.88
  4. Step 4: Simplify right side
    44,942.68x = 786,194,036.75
  5. Step 5: Solve for x
    x = 786,194,036.75/44,942.68
  6. Step 6: Final answer
    x = 17,493.26

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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.