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Finding the Fourth Proportional to 67,399.56, 92,912.94 and 47,192.76

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Solution

The fourth proportional to 67,399.56, 92,912.94 and 47,192.76 is: 65,057.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,399.56 : 92,912.94 = 47,192.76 : x
  2. Step 2: Convert to fraction form
    67,399.56/92,912.94 = 47,192.76/x
  3. Step 3: Cross multiply
    67,399.56x = 92,912.94 × 47,192.76
  4. Step 4: Simplify right side
    67,399.56x = 4,384,818,078.31
  5. Step 5: Solve for x
    x = 4,384,818,078.31/67,399.56
  6. Step 6: Final answer
    x = 65,057.07

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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.