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Finding the Fourth Proportional to 17,380.68, 26,061.12 and 6,844.99

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Solution

The fourth proportional to 17,380.68, 26,061.12 and 6,844.99 is: 10,263.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,380.68 : 26,061.12 = 6,844.99 : x
  2. Step 2: Convert to fraction form
    17,380.68/26,061.12 = 6,844.99/x
  3. Step 3: Cross multiply
    17,380.68x = 26,061.12 × 6,844.99
  4. Step 4: Simplify right side
    17,380.68x = 178,388,105.79
  5. Step 5: Solve for x
    x = 178,388,105.79/17,380.68
  6. Step 6: Final answer
    x = 10,263.59

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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.