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Finding the Fourth Proportional to 57,671.97, 79,595.18 and 33,808.15

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Solution

The fourth proportional to 57,671.97, 79,595.18 and 33,808.15 is: 46,659.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,671.97 : 79,595.18 = 33,808.15 : x
  2. Step 2: Convert to fraction form
    57,671.97/79,595.18 = 33,808.15/x
  3. Step 3: Cross multiply
    57,671.97x = 79,595.18 × 33,808.15
  4. Step 4: Simplify right side
    57,671.97x = 2,690,965,784.72
  5. Step 5: Solve for x
    x = 2,690,965,784.72/57,671.97
  6. Step 6: Final answer
    x = 46,659.86

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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.