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Finding the Fourth Proportional to 17,811.38, 26,717.07 and 7,423.13

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Solution

The fourth proportional to 17,811.38, 26,717.07 and 7,423.13 is: 11,134.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,811.38 : 26,717.07 = 7,423.13 : x
  2. Step 2: Convert to fraction form
    17,811.38/26,717.07 = 7,423.13/x
  3. Step 3: Cross multiply
    17,811.38x = 26,717.07 × 7,423.13
  4. Step 4: Simplify right side
    17,811.38x = 198,324,150.24
  5. Step 5: Solve for x
    x = 198,324,150.24/17,811.38
  6. Step 6: Final answer
    x = 11,134.69

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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.