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Finding the Fourth Proportional to 17,679.76, 26,497 and 8,299.05

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Solution

The fourth proportional to 17,679.76, 26,497 and 8,299.05 is: 12,437.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,679.76 : 26,497 = 8,299.05 : x
  2. Step 2: Convert to fraction form
    17,679.76/26,497 = 8,299.05/x
  3. Step 3: Cross multiply
    17,679.76x = 26,497 × 8,299.05
  4. Step 4: Simplify right side
    17,679.76x = 219,899,927.85
  5. Step 5: Solve for x
    x = 219,899,927.85/17,679.76
  6. Step 6: Final answer
    x = 12,437.95

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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.