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Finding the Fourth Proportional to 11,862.58, 17,793.69 and 3,542.62

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Solution

The fourth proportional to 11,862.58, 17,793.69 and 3,542.62 is: 5,313.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.58 : 17,793.69 = 3,542.62 : x
  2. Step 2: Convert to fraction form
    11,862.58/17,793.69 = 3,542.62/x
  3. Step 3: Cross multiply
    11,862.58x = 17,793.69 × 3,542.62
  4. Step 4: Simplify right side
    11,862.58x = 63,036,282.07
  5. Step 5: Solve for x
    x = 63,036,282.07/11,862.58
  6. Step 6: Final answer
    x = 5,313.88

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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.