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Finding the Fourth Proportional to 67,193.92, 92,724.26 and 36,978.46

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Solution

The fourth proportional to 67,193.92, 92,724.26 and 36,978.46 is: 51,028.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,193.92 : 92,724.26 = 36,978.46 : x
  2. Step 2: Convert to fraction form
    67,193.92/92,724.26 = 36,978.46/x
  3. Step 3: Cross multiply
    67,193.92x = 92,724.26 × 36,978.46
  4. Step 4: Simplify right side
    67,193.92x = 3,428,800,339.44
  5. Step 5: Solve for x
    x = 3,428,800,339.44/67,193.92
  6. Step 6: Final answer
    x = 51,028.43

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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.