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Finding the Fourth Proportional to 54,919.80, 82,314.90 and 41,052.60

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Solution

The fourth proportional to 54,919.80, 82,314.90 and 41,052.60 is: 61,530.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,919.80 : 82,314.90 = 41,052.60 : x
  2. Step 2: Convert to fraction form
    54,919.80/82,314.90 = 41,052.60/x
  3. Step 3: Cross multiply
    54,919.80x = 82,314.90 × 41,052.60
  4. Step 4: Simplify right side
    54,919.80x = 3,379,240,663.74
  5. Step 5: Solve for x
    x = 3,379,240,663.74/54,919.80
  6. Step 6: Final answer
    x = 61,530.46

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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.