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Finding the Fourth Proportional to 48,850.70, 73,276.05 and 48,505.10

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Solution

The fourth proportional to 48,850.70, 73,276.05 and 48,505.10 is: 72,757.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,850.70 : 73,276.05 = 48,505.10 : x
  2. Step 2: Convert to fraction form
    48,850.70/73,276.05 = 48,505.10/x
  3. Step 3: Cross multiply
    48,850.70x = 73,276.05 × 48,505.10
  4. Step 4: Simplify right side
    48,850.70x = 3,554,262,132.86
  5. Step 5: Solve for x
    x = 3,554,262,132.86/48,850.70
  6. Step 6: Final answer
    x = 72,757.65

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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.