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Finding the Fourth Proportional to 82,535.92, 123,791.80 and 26,382.32

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Solution

The fourth proportional to 82,535.92, 123,791.80 and 26,382.32 is: 39,569.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,535.92 : 123,791.80 = 26,382.32 : x
  2. Step 2: Convert to fraction form
    82,535.92/123,791.80 = 26,382.32/x
  3. Step 3: Cross multiply
    82,535.92x = 123,791.80 × 26,382.32
  4. Step 4: Simplify right side
    82,535.92x = 3,265,914,880.98
  5. Step 5: Solve for x
    x = 3,265,914,880.98/82,535.92
  6. Step 6: Final answer
    x = 39,569.62

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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.