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Finding the Fourth Proportional to 8,859.99, 13,289.23 and 2,936.26

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Solution

The fourth proportional to 8,859.99, 13,289.23 and 2,936.26 is: 4,404.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859.99 : 13,289.23 = 2,936.26 : x
  2. Step 2: Convert to fraction form
    8,859.99/13,289.23 = 2,936.26/x
  3. Step 3: Cross multiply
    8,859.99x = 13,289.23 × 2,936.26
  4. Step 4: Simplify right side
    8,859.99x = 39,020,654.76
  5. Step 5: Solve for x
    x = 39,020,654.76/8,859.99
  6. Step 6: Final answer
    x = 4,404.14

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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.