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Finding the Fourth Proportional to 19,573.68, 29,286.96 and 11,647

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Solution

The fourth proportional to 19,573.68, 29,286.96 and 11,647 is: 17,426.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,573.68 : 29,286.96 = 11,647 : x
  2. Step 2: Convert to fraction form
    19,573.68/29,286.96 = 11,647/x
  3. Step 3: Cross multiply
    19,573.68x = 29,286.96 × 11,647
  4. Step 4: Simplify right side
    19,573.68x = 341,105,223.12
  5. Step 5: Solve for x
    x = 341,105,223.12/19,573.68
  6. Step 6: Final answer
    x = 17,426.73

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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.