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Finding the Fourth Proportional to 48,382.65, 72,583.20 and 16,791.48

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Solution

The fourth proportional to 48,382.65, 72,583.20 and 16,791.48 is: 25,190.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,382.65 : 72,583.20 = 16,791.48 : x
  2. Step 2: Convert to fraction form
    48,382.65/72,583.20 = 16,791.48/x
  3. Step 3: Cross multiply
    48,382.65x = 72,583.20 × 16,791.48
  4. Step 4: Simplify right side
    48,382.65x = 1,218,779,351.14
  5. Step 5: Solve for x
    x = 1,218,779,351.14/48,382.65
  6. Step 6: Final answer
    x = 25,190.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.