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Finding the Fourth Proportional to 66,798.49, 92,181.92 and 36,583.88

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Solution

The fourth proportional to 66,798.49, 92,181.92 and 36,583.88 is: 50,485.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,798.49 : 92,181.92 = 36,583.88 : x
  2. Step 2: Convert to fraction form
    66,798.49/92,181.92 = 36,583.88/x
  3. Step 3: Cross multiply
    66,798.49x = 92,181.92 × 36,583.88
  4. Step 4: Simplify right side
    66,798.49x = 3,372,372,346.98
  5. Step 5: Solve for x
    x = 3,372,372,346.98/66,798.49
  6. Step 6: Final answer
    x = 50,485.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.