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Finding the Fourth Proportional to 48,874.58, 73,317.90 and 17,278.12

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Solution

The fourth proportional to 48,874.58, 73,317.90 and 17,278.12 is: 25,919.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,874.58 : 73,317.90 = 17,278.12 : x
  2. Step 2: Convert to fraction form
    48,874.58/73,317.90 = 17,278.12/x
  3. Step 3: Cross multiply
    48,874.58x = 73,317.90 × 17,278.12
  4. Step 4: Simplify right side
    48,874.58x = 1,266,795,474.35
  5. Step 5: Solve for x
    x = 1,266,795,474.35/48,874.58
  6. Step 6: Final answer
    x = 25,919.31

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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.