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Finding the Fourth Proportional to 8,586.99, 12,882.33 and 2,663.75

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Solution

The fourth proportional to 8,586.99, 12,882.33 and 2,663.75 is: 3,996.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586.99 : 12,882.33 = 2,663.75 : x
  2. Step 2: Convert to fraction form
    8,586.99/12,882.33 = 2,663.75/x
  3. Step 3: Cross multiply
    8,586.99x = 12,882.33 × 2,663.75
  4. Step 4: Simplify right side
    8,586.99x = 34,315,242.13
  5. Step 5: Solve for x
    x = 34,315,242.13/8,586.99
  6. Step 6: Final answer
    x = 3,996.19

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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.