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Finding the Fourth Proportional to 57,435.53, 79,264.11 and 33,576.17

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Solution

The fourth proportional to 57,435.53, 79,264.11 and 33,576.17 is: 46,336.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,435.53 : 79,264.11 = 33,576.17 : x
  2. Step 2: Convert to fraction form
    57,435.53/79,264.11 = 33,576.17/x
  3. Step 3: Cross multiply
    57,435.53x = 79,264.11 × 33,576.17
  4. Step 4: Simplify right side
    57,435.53x = 2,661,384,835.94
  5. Step 5: Solve for x
    x = 2,661,384,835.94/57,435.53
  6. Step 6: Final answer
    x = 46,336.91

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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.