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Finding the Fourth Proportional to 66,732.88, 92,087.82 and 36,512.32

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Solution

The fourth proportional to 66,732.88, 92,087.82 and 36,512.32 is: 50,385.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,732.88 : 92,087.82 = 36,512.32 : x
  2. Step 2: Convert to fraction form
    66,732.88/92,087.82 = 36,512.32/x
  3. Step 3: Cross multiply
    66,732.88x = 92,087.82 × 36,512.32
  4. Step 4: Simplify right side
    66,732.88x = 3,362,339,951.94
  5. Step 5: Solve for x
    x = 3,362,339,951.94/66,732.88
  6. Step 6: Final answer
    x = 50,385.06

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1.5x scale

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.