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Finding the Fourth Proportional to 17,744.60, 26,616.90 and 8,381.54

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Solution

The fourth proportional to 17,744.60, 26,616.90 and 8,381.54 is: 12,572.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,744.60 : 26,616.90 = 8,381.54 : x
  2. Step 2: Convert to fraction form
    17,744.60/26,616.90 = 8,381.54/x
  3. Step 3: Cross multiply
    17,744.60x = 26,616.90 × 8,381.54
  4. Step 4: Simplify right side
    17,744.60x = 223,090,612.03
  5. Step 5: Solve for x
    x = 223,090,612.03/17,744.60
  6. Step 6: Final answer
    x = 12,572.31

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1.5x scale

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.