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Finding the Fourth Proportional to 61,744.52, 85,206.96 and 33,450

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Solution

The fourth proportional to 61,744.52, 85,206.96 and 33,450 is: 46,160.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,744.52 : 85,206.96 = 33,450 : x
  2. Step 2: Convert to fraction form
    61,744.52/85,206.96 = 33,450/x
  3. Step 3: Cross multiply
    61,744.52x = 85,206.96 × 33,450
  4. Step 4: Simplify right side
    61,744.52x = 2,850,172,812
  5. Step 5: Solve for x
    x = 2,850,172,812/61,744.52
  6. Step 6: Final answer
    x = 46,160.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.