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Finding the Fourth Proportional to 57,675.78, 86,562.30 and 22,640.04

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Solution

The fourth proportional to 57,675.78, 86,562.30 and 22,640.04 is: 33,979.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,675.78 : 86,562.30 = 22,640.04 : x
  2. Step 2: Convert to fraction form
    57,675.78/86,562.30 = 22,640.04/x
  3. Step 3: Cross multiply
    57,675.78x = 86,562.30 × 22,640.04
  4. Step 4: Simplify right side
    57,675.78x = 1,959,773,934.49
  5. Step 5: Solve for x
    x = 1,959,773,934.49/57,675.78
  6. Step 6: Final answer
    x = 33,979.15

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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.