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Finding the Fourth Proportional to 48,589.40, 72,711.30 and 33,728.60

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Solution

The fourth proportional to 48,589.40, 72,711.30 and 33,728.60 is: 50,472.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,589.40 : 72,711.30 = 33,728.60 : x
  2. Step 2: Convert to fraction form
    48,589.40/72,711.30 = 33,728.60/x
  3. Step 3: Cross multiply
    48,589.40x = 72,711.30 × 33,728.60
  4. Step 4: Simplify right side
    48,589.40x = 2,452,450,353.18
  5. Step 5: Solve for x
    x = 2,452,450,353.18/48,589.40
  6. Step 6: Final answer
    x = 50,472.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.