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Finding the Fourth Proportional to 50,323.14, 69,445.15 and 27,661.65

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Solution

The fourth proportional to 50,323.14, 69,445.15 and 27,661.65 is: 38,172.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,323.14 : 69,445.15 = 27,661.65 : x
  2. Step 2: Convert to fraction form
    50,323.14/69,445.15 = 27,661.65/x
  3. Step 3: Cross multiply
    50,323.14x = 69,445.15 × 27,661.65
  4. Step 4: Simplify right side
    50,323.14x = 1,920,967,086.27
  5. Step 5: Solve for x
    x = 1,920,967,086.27/50,323.14
  6. Step 6: Final answer
    x = 38,172.64

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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.