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Finding the Fourth Proportional to 56,796.49, 85,194.73 and 15,243.49

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Solution

The fourth proportional to 56,796.49, 85,194.73 and 15,243.49 is: 22,865.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,796.49 : 85,194.73 = 15,243.49 : x
  2. Step 2: Convert to fraction form
    56,796.49/85,194.73 = 15,243.49/x
  3. Step 3: Cross multiply
    56,796.49x = 85,194.73 × 15,243.49
  4. Step 4: Simplify right side
    56,796.49x = 1,298,665,054.61
  5. Step 5: Solve for x
    x = 1,298,665,054.61/56,796.49
  6. Step 6: Final answer
    x = 22,865.23

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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.