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Finding the Fourth Proportional to 8,965.27, 13,446.90 and 2,392.03

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Solution

The fourth proportional to 8,965.27, 13,446.90 and 2,392.03 is: 3,587.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,965.27 : 13,446.90 = 2,392.03 : x
  2. Step 2: Convert to fraction form
    8,965.27/13,446.90 = 2,392.03/x
  3. Step 3: Cross multiply
    8,965.27x = 13,446.90 × 2,392.03
  4. Step 4: Simplify right side
    8,965.27x = 32,165,388.21
  5. Step 5: Solve for x
    x = 32,165,388.21/8,965.27
  6. Step 6: Final answer
    x = 3,587.78

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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.