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Finding the Fourth Proportional to 67,287.97, 100,901.96 and 35,690.84

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Solution

The fourth proportional to 67,287.97, 100,901.96 and 35,690.84 is: 53,520.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,287.97 : 100,901.96 = 35,690.84 : x
  2. Step 2: Convert to fraction form
    67,287.97/100,901.96 = 35,690.84/x
  3. Step 3: Cross multiply
    67,287.97x = 100,901.96 × 35,690.84
  4. Step 4: Simplify right side
    67,287.97x = 3,601,275,368.56
  5. Step 5: Solve for x
    x = 3,601,275,368.56/67,287.97
  6. Step 6: Final answer
    x = 53,520.35

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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.