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Finding the Fourth Proportional to 54,694.71, 82,042.07 and 28,344.13

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Solution

The fourth proportional to 54,694.71, 82,042.07 and 28,344.13 is: 42,516.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,694.71 : 82,042.07 = 28,344.13 : x
  2. Step 2: Convert to fraction form
    54,694.71/82,042.07 = 28,344.13/x
  3. Step 3: Cross multiply
    54,694.71x = 82,042.07 × 28,344.13
  4. Step 4: Simplify right side
    54,694.71x = 2,325,410,750.72
  5. Step 5: Solve for x
    x = 2,325,410,750.72/54,694.71
  6. Step 6: Final answer
    x = 42,516.19

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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.