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Finding the Fourth Proportional to 57,864.96, 79,854.27 and 33,992.64

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Solution

The fourth proportional to 57,864.96, 79,854.27 and 33,992.64 is: 46,910.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,864.96 : 79,854.27 = 33,992.64 : x
  2. Step 2: Convert to fraction form
    57,864.96/79,854.27 = 33,992.64/x
  3. Step 3: Cross multiply
    57,864.96x = 79,854.27 × 33,992.64
  4. Step 4: Simplify right side
    57,864.96x = 2,714,457,452.57
  5. Step 5: Solve for x
    x = 2,714,457,452.57/57,864.96
  6. Step 6: Final answer
    x = 46,910.21

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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.