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Finding the Fourth Proportional to 17,708.30, 26,556.07 and 5,859.88

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Solution

The fourth proportional to 17,708.30, 26,556.07 and 5,859.88 is: 8,787.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,708.30 : 26,556.07 = 5,859.88 : x
  2. Step 2: Convert to fraction form
    17,708.30/26,556.07 = 5,859.88/x
  3. Step 3: Cross multiply
    17,708.30x = 26,556.07 × 5,859.88
  4. Step 4: Simplify right side
    17,708.30x = 155,615,434.92
  5. Step 5: Solve for x
    x = 155,615,434.92/17,708.30
  6. Step 6: Final answer
    x = 8,787.71

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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.