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Finding the Fourth Proportional to 67,382.64, 100,938.64 and 33,546.71

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Solution

The fourth proportional to 67,382.64, 100,938.64 and 33,546.71 is: 50,252.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,382.64 : 100,938.64 = 33,546.71 : x
  2. Step 2: Convert to fraction form
    67,382.64/100,938.64 = 33,546.71/x
  3. Step 3: Cross multiply
    67,382.64x = 100,938.64 × 33,546.71
  4. Step 4: Simplify right side
    67,382.64x = 3,386,159,515.25
  5. Step 5: Solve for x
    x = 3,386,159,515.25/67,382.64
  6. Step 6: Final answer
    x = 50,252.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.