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Finding the Fourth Proportional to 82,628.91, 123,893.04 and 35,217.48

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Solution

The fourth proportional to 82,628.91, 123,893.04 and 35,217.48 is: 52,804.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,628.91 : 123,893.04 = 35,217.48 : x
  2. Step 2: Convert to fraction form
    82,628.91/123,893.04 = 35,217.48/x
  3. Step 3: Cross multiply
    82,628.91x = 123,893.04 × 35,217.48
  4. Step 4: Simplify right side
    82,628.91x = 4,363,201,255.00
  5. Step 5: Solve for x
    x = 4,363,201,255.00/82,628.91
  6. Step 6: Final answer
    x = 52,804.78

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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.