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Finding the Fourth Proportional to 49,693.62, 68,579.02 and 28,476.98

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Solution

The fourth proportional to 49,693.62, 68,579.02 and 28,476.98 is: 39,299.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,693.62 : 68,579.02 = 28,476.98 : x
  2. Step 2: Convert to fraction form
    49,693.62/68,579.02 = 28,476.98/x
  3. Step 3: Cross multiply
    49,693.62x = 68,579.02 × 28,476.98
  4. Step 4: Simplify right side
    49,693.62x = 1,952,923,380.96
  5. Step 5: Solve for x
    x = 1,952,923,380.96/49,693.62
  6. Step 6: Final answer
    x = 39,299.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.