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Finding the Fourth Proportional to 48,363, 72,560.70 and 43,704.60

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Solution

The fourth proportional to 48,363, 72,560.70 and 43,704.60 is: 65,571.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,363 : 72,560.70 = 43,704.60 : x
  2. Step 2: Convert to fraction form
    48,363/72,560.70 = 43,704.60/x
  3. Step 3: Cross multiply
    48,363x = 72,560.70 × 43,704.60
  4. Step 4: Simplify right side
    48,363x = 3,171,236,369.22
  5. Step 5: Solve for x
    x = 3,171,236,369.22/48,363
  6. Step 6: Final answer
    x = 65,571.54

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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.