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Finding the Fourth Proportional to 67,370.36, 92,964.72 and 39,073

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Solution

The fourth proportional to 67,370.36, 92,964.72 and 39,073 is: 53,917.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,370.36 : 92,964.72 = 39,073 : x
  2. Step 2: Convert to fraction form
    67,370.36/92,964.72 = 39,073/x
  3. Step 3: Cross multiply
    67,370.36x = 92,964.72 × 39,073
  4. Step 4: Simplify right side
    67,370.36x = 3,632,410,504.56
  5. Step 5: Solve for x
    x = 3,632,410,504.56/67,370.36
  6. Step 6: Final answer
    x = 53,917.04

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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.