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Finding the Fourth Proportional to 57,881.88, 79,851.65 and 33,997.79

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Solution

The fourth proportional to 57,881.88, 79,851.65 and 33,997.79 is: 46,902.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,881.88 : 79,851.65 = 33,997.79 : x
  2. Step 2: Convert to fraction form
    57,881.88/79,851.65 = 33,997.79/x
  3. Step 3: Cross multiply
    57,881.88x = 79,851.65 × 33,997.79
  4. Step 4: Simplify right side
    57,881.88x = 2,714,779,712.85
  5. Step 5: Solve for x
    x = 2,714,779,712.85/57,881.88
  6. Step 6: Final answer
    x = 46,902.06

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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.