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Finding the Fourth Proportional to 57,871.66, 79,829.67 and 33,993.94

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Solution

The fourth proportional to 57,871.66, 79,829.67 and 33,993.94 is: 46,892.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,871.66 : 79,829.67 = 33,993.94 : x
  2. Step 2: Convert to fraction form
    57,871.66/79,829.67 = 33,993.94/x
  3. Step 3: Cross multiply
    57,871.66x = 79,829.67 × 33,993.94
  4. Step 4: Simplify right side
    57,871.66x = 2,713,725,012.20
  5. Step 5: Solve for x
    x = 2,713,725,012.20/57,871.66
  6. Step 6: Final answer
    x = 46,892.12

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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.