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Finding the Fourth Proportional to 17,499.26, 26,261.19 and 15,826.21

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Solution

The fourth proportional to 17,499.26, 26,261.19 and 15,826.21 is: 23,750.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,499.26 : 26,261.19 = 15,826.21 : x
  2. Step 2: Convert to fraction form
    17,499.26/26,261.19 = 15,826.21/x
  3. Step 3: Cross multiply
    17,499.26x = 26,261.19 × 15,826.21
  4. Step 4: Simplify right side
    17,499.26x = 415,615,107.79
  5. Step 5: Solve for x
    x = 415,615,107.79/17,499.26
  6. Step 6: Final answer
    x = 23,750.44

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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.