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Finding the Fourth Proportional to 57,772.87, 79,727.09 and 33,899.94

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Solution

The fourth proportional to 57,772.87, 79,727.09 and 33,899.94 is: 46,782.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,772.87 : 79,727.09 = 33,899.94 : x
  2. Step 2: Convert to fraction form
    57,772.87/79,727.09 = 33,899.94/x
  3. Step 3: Cross multiply
    57,772.87x = 79,727.09 × 33,899.94
  4. Step 4: Simplify right side
    57,772.87x = 2,702,743,397.87
  5. Step 5: Solve for x
    x = 2,702,743,397.87/57,772.87
  6. Step 6: Final answer
    x = 46,782.23

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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.