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Finding the Fourth Proportional to 66,787.67, 92,167.14 and 36,574.97

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Solution

The fourth proportional to 66,787.67, 92,167.14 and 36,574.97 is: 50,473.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,787.67 : 92,167.14 = 36,574.97 : x
  2. Step 2: Convert to fraction form
    66,787.67/92,167.14 = 36,574.97/x
  3. Step 3: Cross multiply
    66,787.67x = 92,167.14 × 36,574.97
  4. Step 4: Simplify right side
    66,787.67x = 3,371,010,380.49
  5. Step 5: Solve for x
    x = 3,371,010,380.49/66,787.67
  6. Step 6: Final answer
    x = 50,473.54

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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.