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Finding the Fourth Proportional to 56,536.31, 84,843.35 and 19,600.31

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Solution

The fourth proportional to 56,536.31, 84,843.35 and 19,600.31 is: 29,413.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,536.31 : 84,843.35 = 19,600.31 : x
  2. Step 2: Convert to fraction form
    56,536.31/84,843.35 = 19,600.31/x
  3. Step 3: Cross multiply
    56,536.31x = 84,843.35 × 19,600.31
  4. Step 4: Simplify right side
    56,536.31x = 1,662,956,149.05
  5. Step 5: Solve for x
    x = 1,662,956,149.05/56,536.31
  6. Step 6: Final answer
    x = 29,413.95

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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.