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Finding the Fourth Proportional to 66,880.84, 92,293.68 and 36,664.60

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Solution

The fourth proportional to 66,880.84, 92,293.68 and 36,664.60 is: 50,596.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,880.84 : 92,293.68 = 36,664.60 : x
  2. Step 2: Convert to fraction form
    66,880.84/92,293.68 = 36,664.60/x
  3. Step 3: Cross multiply
    66,880.84x = 92,293.68 × 36,664.60
  4. Step 4: Simplify right side
    66,880.84x = 3,383,910,859.73
  5. Step 5: Solve for x
    x = 3,383,910,859.73/66,880.84
  6. Step 6: Final answer
    x = 50,596.12

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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.