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Finding the Fourth Proportional to 56,644.77, 84,782.34 and 41,647.92

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Solution

The fourth proportional to 56,644.77, 84,782.34 and 41,647.92 is: 62,335.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,644.77 : 84,782.34 = 41,647.92 : x
  2. Step 2: Convert to fraction form
    56,644.77/84,782.34 = 41,647.92/x
  3. Step 3: Cross multiply
    56,644.77x = 84,782.34 × 41,647.92
  4. Step 4: Simplify right side
    56,644.77x = 3,531,007,938.03
  5. Step 5: Solve for x
    x = 3,531,007,938.03/56,644.77
  6. Step 6: Final answer
    x = 62,335.99

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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.