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Finding the Fourth Proportional to 17,972.03, 26,958.27 and 6,879.84

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Solution

The fourth proportional to 17,972.03, 26,958.27 and 6,879.84 is: 10,319.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,972.03 : 26,958.27 = 6,879.84 : x
  2. Step 2: Convert to fraction form
    17,972.03/26,958.27 = 6,879.84/x
  3. Step 3: Cross multiply
    17,972.03x = 26,958.27 × 6,879.84
  4. Step 4: Simplify right side
    17,972.03x = 185,468,470.28
  5. Step 5: Solve for x
    x = 185,468,470.28/17,972.03
  6. Step 6: Final answer
    x = 10,319.84

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1.5x scale

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.