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Finding the Fourth Proportional to 50,590.75, 69,815.51 and 28,234.75

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Solution

The fourth proportional to 50,590.75, 69,815.51 and 28,234.75 is: 38,964.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,590.75 : 69,815.51 = 28,234.75 : x
  2. Step 2: Convert to fraction form
    50,590.75/69,815.51 = 28,234.75/x
  3. Step 3: Cross multiply
    50,590.75x = 69,815.51 × 28,234.75
  4. Step 4: Simplify right side
    50,590.75x = 1,971,223,470.97
  5. Step 5: Solve for x
    x = 1,971,223,470.97/50,590.75
  6. Step 6: Final answer
    x = 38,964.11

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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.