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Finding the Fourth Proportional to 7,329.00, 10,986.92 and 2,647.91

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Solution

The fourth proportional to 7,329.00, 10,986.92 and 2,647.91 is: 3,969.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.00 : 10,986.92 = 2,647.91 : x
  2. Step 2: Convert to fraction form
    7,329.00/10,986.92 = 2,647.91/x
  3. Step 3: Cross multiply
    7,329.00x = 10,986.92 × 2,647.91
  4. Step 4: Simplify right side
    7,329.00x = 29,092,320.40
  5. Step 5: Solve for x
    x = 29,092,320.40/7,329.00
  6. Step 6: Final answer
    x = 3,969.48

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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.