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Finding the Fourth Proportional to 57,672.78, 86,557.80 and 22,637.04

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Solution

The fourth proportional to 57,672.78, 86,557.80 and 22,637.04 is: 33,974.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,672.78 : 86,557.80 = 22,637.04 : x
  2. Step 2: Convert to fraction form
    57,672.78/86,557.80 = 22,637.04/x
  3. Step 3: Cross multiply
    57,672.78x = 86,557.80 × 22,637.04
  4. Step 4: Simplify right side
    57,672.78x = 1,959,412,380.91
  5. Step 5: Solve for x
    x = 1,959,412,380.91/57,672.78
  6. Step 6: Final answer
    x = 33,974.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.