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Finding the Fourth Proportional to 54,299.70, 81,449.55 and 41,177.70

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Solution

The fourth proportional to 54,299.70, 81,449.55 and 41,177.70 is: 61,766.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,299.70 : 81,449.55 = 41,177.70 : x
  2. Step 2: Convert to fraction form
    54,299.70/81,449.55 = 41,177.70/x
  3. Step 3: Cross multiply
    54,299.70x = 81,449.55 × 41,177.70
  4. Step 4: Simplify right side
    54,299.70x = 3,353,905,135.04
  5. Step 5: Solve for x
    x = 3,353,905,135.04/54,299.70
  6. Step 6: Final answer
    x = 61,766.55

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1.5x scale

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.