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Finding the Fourth Proportional to 49,814.45, 68,743.03 and 28,592.04

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Solution

The fourth proportional to 49,814.45, 68,743.03 and 28,592.04 is: 39,456.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,814.45 : 68,743.03 = 28,592.04 : x
  2. Step 2: Convert to fraction form
    49,814.45/68,743.03 = 28,592.04/x
  3. Step 3: Cross multiply
    49,814.45x = 68,743.03 × 28,592.04
  4. Step 4: Simplify right side
    49,814.45x = 1,965,503,463.48
  5. Step 5: Solve for x
    x = 1,965,503,463.48/49,814.45
  6. Step 6: Final answer
    x = 39,456.49

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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.