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Finding the Fourth Proportional to 50,632, 69,871.88 and 27,972.54

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Solution

The fourth proportional to 50,632, 69,871.88 and 27,972.54 is: 38,601.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,632 : 69,871.88 = 27,972.54 : x
  2. Step 2: Convert to fraction form
    50,632/69,871.88 = 27,972.54/x
  3. Step 3: Cross multiply
    50,632x = 69,871.88 × 27,972.54
  4. Step 4: Simplify right side
    50,632x = 1,954,493,958.18
  5. Step 5: Solve for x
    x = 1,954,493,958.18/50,632
  6. Step 6: Final answer
    x = 38,601.95

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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.