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Finding the Fourth Proportional to 26,481.76, 39,723.59 and 8,473.64

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Solution

The fourth proportional to 26,481.76, 39,723.59 and 8,473.64 is: 12,710.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,481.76 : 39,723.59 = 8,473.64 : x
  2. Step 2: Convert to fraction form
    26,481.76/39,723.59 = 8,473.64/x
  3. Step 3: Cross multiply
    26,481.76x = 39,723.59 × 8,473.64
  4. Step 4: Simplify right side
    26,481.76x = 336,603,311.62
  5. Step 5: Solve for x
    x = 336,603,311.62/26,481.76
  6. Step 6: Final answer
    x = 12,710.76

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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.