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Finding the Fourth Proportional to 11,470.44, 17,188.92 and 7,955.85

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Solution

The fourth proportional to 11,470.44, 17,188.92 and 7,955.85 is: 11,922.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,470.44 : 17,188.92 = 7,955.85 : x
  2. Step 2: Convert to fraction form
    11,470.44/17,188.92 = 7,955.85/x
  3. Step 3: Cross multiply
    11,470.44x = 17,188.92 × 7,955.85
  4. Step 4: Simplify right side
    11,470.44x = 136,752,469.18
  5. Step 5: Solve for x
    x = 136,752,469.18/11,470.44
  6. Step 6: Final answer
    x = 11,922.16

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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.