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Finding the Fourth Proportional to 17,182.65, 25,722.09 and 15,539.97

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Solution

The fourth proportional to 17,182.65, 25,722.09 and 15,539.97 is: 23,263.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,182.65 : 25,722.09 = 15,539.97 : x
  2. Step 2: Convert to fraction form
    17,182.65/25,722.09 = 15,539.97/x
  3. Step 3: Cross multiply
    17,182.65x = 25,722.09 × 15,539.97
  4. Step 4: Simplify right side
    17,182.65x = 399,720,506.94
  5. Step 5: Solve for x
    x = 399,720,506.94/17,182.65
  6. Step 6: Final answer
    x = 23,263.03

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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.