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Finding the Fourth Proportional to 54,760.40, 82,025.40 and 45,544.40

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Solution

The fourth proportional to 54,760.40, 82,025.40 and 45,544.40 is: 68,220.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,760.40 : 82,025.40 = 45,544.40 : x
  2. Step 2: Convert to fraction form
    54,760.40/82,025.40 = 45,544.40/x
  3. Step 3: Cross multiply
    54,760.40x = 82,025.40 × 45,544.40
  4. Step 4: Simplify right side
    54,760.40x = 3,735,797,627.76
  5. Step 5: Solve for x
    x = 3,735,797,627.76/54,760.40
  6. Step 6: Final answer
    x = 68,220.79

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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.