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Finding the Fourth Proportional to 56,659.56, 78,213.24 and 36,517.56

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Solution

The fourth proportional to 56,659.56, 78,213.24 and 36,517.56 is: 50,409.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,659.56 : 78,213.24 = 36,517.56 : x
  2. Step 2: Convert to fraction form
    56,659.56/78,213.24 = 36,517.56/x
  3. Step 3: Cross multiply
    56,659.56x = 78,213.24 × 36,517.56
  4. Step 4: Simplify right side
    56,659.56x = 2,856,156,684.49
  5. Step 5: Solve for x
    x = 2,856,156,684.49/56,659.56
  6. Step 6: Final answer
    x = 50,409.09

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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.