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Finding the Fourth Proportional to 58,250.28, 80,355 and 36,728.34

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Solution

The fourth proportional to 58,250.28, 80,355 and 36,728.34 is: 50,665.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,250.28 : 80,355 = 36,728.34 : x
  2. Step 2: Convert to fraction form
    58,250.28/80,355 = 36,728.34/x
  3. Step 3: Cross multiply
    58,250.28x = 80,355 × 36,728.34
  4. Step 4: Simplify right side
    58,250.28x = 2,951,305,760.70
  5. Step 5: Solve for x
    x = 2,951,305,760.70/58,250.28
  6. Step 6: Final answer
    x = 50,665.95

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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.