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Finding the Fourth Proportional to 2,351.14, 3,526.76 and 791.19

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Solution

The fourth proportional to 2,351.14, 3,526.76 and 791.19 is: 1,186.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.14 : 3,526.76 = 791.19 : x
  2. Step 2: Convert to fraction form
    2,351.14/3,526.76 = 791.19/x
  3. Step 3: Cross multiply
    2,351.14x = 3,526.76 × 791.19
  4. Step 4: Simplify right side
    2,351.14x = 2,790,337.24
  5. Step 5: Solve for x
    x = 2,790,337.24/2,351.14
  6. Step 6: Final answer
    x = 1,186.80

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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.