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Finding the Fourth Proportional to 17,798.37, 26,697.27 and 5,318.43

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Solution

The fourth proportional to 17,798.37, 26,697.27 and 5,318.43 is: 7,977.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,798.37 : 26,697.27 = 5,318.43 : x
  2. Step 2: Convert to fraction form
    17,798.37/26,697.27 = 5,318.43/x
  3. Step 3: Cross multiply
    17,798.37x = 26,697.27 × 5,318.43
  4. Step 4: Simplify right side
    17,798.37x = 141,987,561.69
  5. Step 5: Solve for x
    x = 141,987,561.69/17,798.37
  6. Step 6: Final answer
    x = 7,977.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.