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Finding the Fourth Proportional to 66,951.73, 92,399.21 and 36,742.88

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Solution

The fourth proportional to 66,951.73, 92,399.21 and 36,742.88 is: 50,708.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,951.73 : 92,399.21 = 36,742.88 : x
  2. Step 2: Convert to fraction form
    66,951.73/92,399.21 = 36,742.88/x
  3. Step 3: Cross multiply
    66,951.73x = 92,399.21 × 36,742.88
  4. Step 4: Simplify right side
    66,951.73x = 3,395,013,132.41
  5. Step 5: Solve for x
    x = 3,395,013,132.41/66,951.73
  6. Step 6: Final answer
    x = 50,708.37

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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.