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Finding the Fourth Proportional to 26,523.44, 39,790.84 and 8,992.88

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Solution

The fourth proportional to 26,523.44, 39,790.84 and 8,992.88 is: 13,491.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,523.44 : 39,790.84 = 8,992.88 : x
  2. Step 2: Convert to fraction form
    26,523.44/39,790.84 = 8,992.88/x
  3. Step 3: Cross multiply
    26,523.44x = 39,790.84 × 8,992.88
  4. Step 4: Simplify right side
    26,523.44x = 357,834,249.22
  5. Step 5: Solve for x
    x = 357,834,249.22/26,523.44
  6. Step 6: Final answer
    x = 13,491.25

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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.