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Finding the Fourth Proportional to 27,216.80, 40,825.22 and 8,498.45

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Solution

The fourth proportional to 27,216.80, 40,825.22 and 8,498.45 is: 12,747.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,216.80 : 40,825.22 = 8,498.45 : x
  2. Step 2: Convert to fraction form
    27,216.80/40,825.22 = 8,498.45/x
  3. Step 3: Cross multiply
    27,216.80x = 40,825.22 × 8,498.45
  4. Step 4: Simplify right side
    27,216.80x = 346,950,844.29
  5. Step 5: Solve for x
    x = 346,950,844.29/27,216.80
  6. Step 6: Final answer
    x = 12,747.67

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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.