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Finding the Fourth Proportional to 67,485.57, 101,240.64 and 33,769.20

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Solution

The fourth proportional to 67,485.57, 101,240.64 and 33,769.20 is: 50,659.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,485.57 : 101,240.64 = 33,769.20 : x
  2. Step 2: Convert to fraction form
    67,485.57/101,240.64 = 33,769.20/x
  3. Step 3: Cross multiply
    67,485.57x = 101,240.64 × 33,769.20
  4. Step 4: Simplify right side
    67,485.57x = 3,418,815,420.29
  5. Step 5: Solve for x
    x = 3,418,815,420.29/67,485.57
  6. Step 6: Final answer
    x = 50,659.95

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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.