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Finding the Fourth Proportional to 66,604.48, 91,818.84 and 41,093.80

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Solution

The fourth proportional to 66,604.48, 91,818.84 and 41,093.80 is: 56,650.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,604.48 : 91,818.84 = 41,093.80 : x
  2. Step 2: Convert to fraction form
    66,604.48/91,818.84 = 41,093.80/x
  3. Step 3: Cross multiply
    66,604.48x = 91,818.84 × 41,093.80
  4. Step 4: Simplify right side
    66,604.48x = 3,773,185,047.19
  5. Step 5: Solve for x
    x = 3,773,185,047.19/66,604.48
  6. Step 6: Final answer
    x = 56,650.62

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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.