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Finding the Fourth Proportional to 9,365.79, 14,049.30 and 2,791.43

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Solution

The fourth proportional to 9,365.79, 14,049.30 and 2,791.43 is: 4,187.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,365.79 : 14,049.30 = 2,791.43 : x
  2. Step 2: Convert to fraction form
    9,365.79/14,049.30 = 2,791.43/x
  3. Step 3: Cross multiply
    9,365.79x = 14,049.30 × 2,791.43
  4. Step 4: Simplify right side
    9,365.79x = 39,217,637.50
  5. Step 5: Solve for x
    x = 39,217,637.50/9,365.79
  6. Step 6: Final answer
    x = 4,187.33

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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.