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Finding the Fourth Proportional to 48,807.80, 73,049.70 and 35,442.80

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Solution

The fourth proportional to 48,807.80, 73,049.70 and 35,442.80 is: 53,046.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,807.80 : 73,049.70 = 35,442.80 : x
  2. Step 2: Convert to fraction form
    48,807.80/73,049.70 = 35,442.80/x
  3. Step 3: Cross multiply
    48,807.80x = 73,049.70 × 35,442.80
  4. Step 4: Simplify right side
    48,807.80x = 2,589,085,907.16
  5. Step 5: Solve for x
    x = 2,589,085,907.16/48,807.80
  6. Step 6: Final answer
    x = 53,046.56

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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.