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Finding the Fourth Proportional to 71,435.52, 107,112.11 and 27,033.89

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Solution

The fourth proportional to 71,435.52, 107,112.11 and 27,033.89 is: 40,535.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,435.52 : 107,112.11 = 27,033.89 : x
  2. Step 2: Convert to fraction form
    71,435.52/107,112.11 = 27,033.89/x
  3. Step 3: Cross multiply
    71,435.52x = 107,112.11 × 27,033.89
  4. Step 4: Simplify right side
    71,435.52x = 2,895,656,328.68
  5. Step 5: Solve for x
    x = 2,895,656,328.68/71,435.52
  6. Step 6: Final answer
    x = 40,535.25

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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.