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Finding the Fourth Proportional to 67,086.28, 92,581.28 and 36,872.67

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Solution

The fourth proportional to 67,086.28, 92,581.28 and 36,872.67 is: 50,885.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,086.28 : 92,581.28 = 36,872.67 : x
  2. Step 2: Convert to fraction form
    67,086.28/92,581.28 = 36,872.67/x
  3. Step 3: Cross multiply
    67,086.28x = 92,581.28 × 36,872.67
  4. Step 4: Simplify right side
    67,086.28x = 3,413,718,985.62
  5. Step 5: Solve for x
    x = 3,413,718,985.62/67,086.28
  6. Step 6: Final answer
    x = 50,885.50

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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.