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Finding the Fourth Proportional to 54,952.80, 82,364.40 and 41,085.60

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Solution

The fourth proportional to 54,952.80, 82,364.40 and 41,085.60 is: 61,579.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,952.80 : 82,364.40 = 41,085.60 : x
  2. Step 2: Convert to fraction form
    54,952.80/82,364.40 = 41,085.60/x
  3. Step 3: Cross multiply
    54,952.80x = 82,364.40 × 41,085.60
  4. Step 4: Simplify right side
    54,952.80x = 3,383,990,792.64
  5. Step 5: Solve for x
    x = 3,383,990,792.64/54,952.80
  6. Step 6: Final answer
    x = 61,579.95

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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.