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Finding the Fourth Proportional to 56,601.74, 84,891.72 and 53,791.94

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Solution

The fourth proportional to 56,601.74, 84,891.72 and 53,791.94 is: 80,677.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,601.74 : 84,891.72 = 53,791.94 : x
  2. Step 2: Convert to fraction form
    56,601.74/84,891.72 = 53,791.94/x
  3. Step 3: Cross multiply
    56,601.74x = 84,891.72 × 53,791.94
  4. Step 4: Simplify right side
    56,601.74x = 4,566,490,308.74
  5. Step 5: Solve for x
    x = 4,566,490,308.74/56,601.74
  6. Step 6: Final answer
    x = 80,677.56

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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.