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Finding the Fourth Proportional to 48,382.56, 72,583.14 and 16,791.42

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Solution

The fourth proportional to 48,382.56, 72,583.14 and 16,791.42 is: 25,190.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,382.56 : 72,583.14 = 16,791.42 : x
  2. Step 2: Convert to fraction form
    48,382.56/72,583.14 = 16,791.42/x
  3. Step 3: Cross multiply
    48,382.56x = 72,583.14 × 16,791.42
  4. Step 4: Simplify right side
    48,382.56x = 1,218,773,988.66
  5. Step 5: Solve for x
    x = 1,218,773,988.66/48,382.56
  6. Step 6: Final answer
    x = 25,190.36

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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.