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Finding the Fourth Proportional to 17,392, 26,089.84 and 5,546.68

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Solution

The fourth proportional to 17,392, 26,089.84 and 5,546.68 is: 8,320.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,392 : 26,089.84 = 5,546.68 : x
  2. Step 2: Convert to fraction form
    17,392/26,089.84 = 5,546.68/x
  3. Step 3: Cross multiply
    17,392x = 26,089.84 × 5,546.68
  4. Step 4: Simplify right side
    17,392x = 144,711,993.73
  5. Step 5: Solve for x
    x = 144,711,993.73/17,392
  6. Step 6: Final answer
    x = 8,320.61

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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.