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Finding the Fourth Proportional to 17,263.52, 25,899.76 and 7,899.04

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Solution

The fourth proportional to 17,263.52, 25,899.76 and 7,899.04 is: 11,850.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,263.52 : 25,899.76 = 7,899.04 : x
  2. Step 2: Convert to fraction form
    17,263.52/25,899.76 = 7,899.04/x
  3. Step 3: Cross multiply
    17,263.52x = 25,899.76 × 7,899.04
  4. Step 4: Simplify right side
    17,263.52x = 204,583,240.23
  5. Step 5: Solve for x
    x = 204,583,240.23/17,263.52
  6. Step 6: Final answer
    x = 11,850.61

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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.