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Finding the Fourth Proportional to 49,876.65, 68,830.97 and 28,369.89

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Solution

The fourth proportional to 49,876.65, 68,830.97 and 28,369.89 is: 39,151.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,876.65 : 68,830.97 = 28,369.89 : x
  2. Step 2: Convert to fraction form
    49,876.65/68,830.97 = 28,369.89/x
  3. Step 3: Cross multiply
    49,876.65x = 68,830.97 × 28,369.89
  4. Step 4: Simplify right side
    49,876.65x = 1,952,726,905.64
  5. Step 5: Solve for x
    x = 1,952,726,905.64/49,876.65
  6. Step 6: Final answer
    x = 39,151.12

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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.