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Finding the Fourth Proportional to 17,518.56, 26,277.84 and 8,744.64

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Solution

The fourth proportional to 17,518.56, 26,277.84 and 8,744.64 is: 13,116.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,518.56 : 26,277.84 = 8,744.64 : x
  2. Step 2: Convert to fraction form
    17,518.56/26,277.84 = 8,744.64/x
  3. Step 3: Cross multiply
    17,518.56x = 26,277.84 × 8,744.64
  4. Step 4: Simplify right side
    17,518.56x = 229,790,250.78
  5. Step 5: Solve for x
    x = 229,790,250.78/17,518.56
  6. Step 6: Final answer
    x = 13,116.96

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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.