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Finding the Fourth Proportional to 67,151.43, 92,664.41 and 38,861.37

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Solution

The fourth proportional to 67,151.43, 92,664.41 and 38,861.37 is: 53,626.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,151.43 : 92,664.41 = 38,861.37 : x
  2. Step 2: Convert to fraction form
    67,151.43/92,664.41 = 38,861.37/x
  3. Step 3: Cross multiply
    67,151.43x = 92,664.41 × 38,861.37
  4. Step 4: Simplify right side
    67,151.43x = 3,601,065,728.53
  5. Step 5: Solve for x
    x = 3,601,065,728.53/67,151.43
  6. Step 6: Final answer
    x = 53,626.05

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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.