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Finding the Fourth Proportional to 49,244.88, 73,878.96 and 15,964.96

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Solution

The fourth proportional to 49,244.88, 73,878.96 and 15,964.96 is: 23,951.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,244.88 : 73,878.96 = 15,964.96 : x
  2. Step 2: Convert to fraction form
    49,244.88/73,878.96 = 15,964.96/x
  3. Step 3: Cross multiply
    49,244.88x = 73,878.96 × 15,964.96
  4. Step 4: Simplify right side
    49,244.88x = 1,179,474,641.24
  5. Step 5: Solve for x
    x = 1,179,474,641.24/49,244.88
  6. Step 6: Final answer
    x = 23,951.21

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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.