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Finding the Fourth Proportional to 8,668, 13,003.34 and 2,823.24

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Solution

The fourth proportional to 8,668, 13,003.34 and 2,823.24 is: 4,235.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668 : 13,003.34 = 2,823.24 : x
  2. Step 2: Convert to fraction form
    8,668/13,003.34 = 2,823.24/x
  3. Step 3: Cross multiply
    8,668x = 13,003.34 × 2,823.24
  4. Step 4: Simplify right side
    8,668x = 36,711,549.62
  5. Step 5: Solve for x
    x = 36,711,549.62/8,668
  6. Step 6: Final answer
    x = 4,235.30

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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.