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Finding the Fourth Proportional to 17,128.63, 25,695.89 and 5,883.43

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Solution

The fourth proportional to 17,128.63, 25,695.89 and 5,883.43 is: 8,826.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,128.63 : 25,695.89 = 5,883.43 : x
  2. Step 2: Convert to fraction form
    17,128.63/25,695.89 = 5,883.43/x
  3. Step 3: Cross multiply
    17,128.63x = 25,695.89 × 5,883.43
  4. Step 4: Simplify right side
    17,128.63x = 151,180,043.05
  5. Step 5: Solve for x
    x = 151,180,043.05/17,128.63
  6. Step 6: Final answer
    x = 8,826.16

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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.