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Finding the Fourth Proportional to 17,379.79, 26,049.51 and 8,000.11

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Solution

The fourth proportional to 17,379.79, 26,049.51 and 8,000.11 is: 11,990.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,379.79 : 26,049.51 = 8,000.11 : x
  2. Step 2: Convert to fraction form
    17,379.79/26,049.51 = 8,000.11/x
  3. Step 3: Cross multiply
    17,379.79x = 26,049.51 × 8,000.11
  4. Step 4: Simplify right side
    17,379.79x = 208,398,945.45
  5. Step 5: Solve for x
    x = 208,398,945.45/17,379.79
  6. Step 6: Final answer
    x = 11,990.88

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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.