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Finding the Fourth Proportional to 17,958.69, 26,938.09 and 17,932.74

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Solution

The fourth proportional to 17,958.69, 26,938.09 and 17,932.74 is: 26,899.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,958.69 : 26,938.09 = 17,932.74 : x
  2. Step 2: Convert to fraction form
    17,958.69/26,938.09 = 17,932.74/x
  3. Step 3: Cross multiply
    17,958.69x = 26,938.09 × 17,932.74
  4. Step 4: Simplify right side
    17,958.69x = 483,073,674.40
  5. Step 5: Solve for x
    x = 483,073,674.40/17,958.69
  6. Step 6: Final answer
    x = 26,899.16

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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.