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Finding the Fourth Proportional to 17,697.47, 26,553.49 and 15,926.00

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Solution

The fourth proportional to 17,697.47, 26,553.49 and 15,926.00 is: 23,895.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,697.47 : 26,553.49 = 15,926.00 : x
  2. Step 2: Convert to fraction form
    17,697.47/26,553.49 = 15,926.00/x
  3. Step 3: Cross multiply
    17,697.47x = 26,553.49 × 15,926.00
  4. Step 4: Simplify right side
    17,697.47x = 422,890,709.16
  5. Step 5: Solve for x
    x = 422,890,709.16/17,697.47
  6. Step 6: Final answer
    x = 23,895.55

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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.