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Finding the Fourth Proportional to 11,387.00, 17,079.21 and 3,067.62

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Solution

The fourth proportional to 11,387.00, 17,079.21 and 3,067.62 is: 4,601.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,387.00 : 17,079.21 = 3,067.62 : x
  2. Step 2: Convert to fraction form
    11,387.00/17,079.21 = 3,067.62/x
  3. Step 3: Cross multiply
    11,387.00x = 17,079.21 × 3,067.62
  4. Step 4: Simplify right side
    11,387.00x = 52,392,526.18
  5. Step 5: Solve for x
    x = 52,392,526.18/11,387.00
  6. Step 6: Final answer
    x = 4,601.08

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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.