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Finding the Fourth Proportional to 66,754.54, 92,121.41 and 36,541.80

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Solution

The fourth proportional to 66,754.54, 92,121.41 and 36,541.80 is: 50,427.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,754.54 : 92,121.41 = 36,541.80 : x
  2. Step 2: Convert to fraction form
    66,754.54/92,121.41 = 36,541.80/x
  3. Step 3: Cross multiply
    66,754.54x = 92,121.41 × 36,541.80
  4. Step 4: Simplify right side
    66,754.54x = 3,366,281,662.80
  5. Step 5: Solve for x
    x = 3,366,281,662.80/66,754.54
  6. Step 6: Final answer
    x = 50,427.75

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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.